Publications: Papers in peer-reviewed journals (Indexed in Current Contents Database).

Year 2009

90. K. Jomova, O. Kysel, J.C. Madden, H. Morris, S.J. Enoch, S. Budzak, A.J. Young, M.T.D. Cronin, M. Mazur, M. Valko:
Electron transfer from all-trans beta-carotene to the t-butyl peroxyl radical at low oxygen pressure
(an EPR spectroscopy and computational study).
Chem. Phys. Letters 478, 266-270 (2009). PDF Full Text (479 K)

89. J. Svorec, M. Valko, J. Moncol, M. Mazur, M. Melnik, J. Telser:
Determination of intermolecular copper-copper distances from the EPR half-field transitions and their comparison with distances from X-ray structures:
Applications to copper(II) complexes with biologically important ligands.
Trans. Met. Chem. 34, 129-134 (2009).

Year 2008

88. D. Dvoranova, V. Brezova, Z. Vreckova, M. Valko:
Photochemical transformation of anticancer drug irinotecan.
Chem. Listy 102, s992-s994 (2008).

87. M. Mazur, K. Furdikova, M. Kalinak, M. Valko, V. Zubor, N. Pronayova:
NMR spectroscopy of minor compounds in wine a comparison of different pre-concentration methods.
Chem. Listy 102, s1089-s1091 (2008).

86. J. Moncol, J. Maroszova, M. Koman, M. Melnik, M. Valko, M. Mazur, T. Lis:
Self-assembly of hydrogen-bonded supramolecular structures of two copper(II) 2-bromobenzoate complexes with
4-pyridylmethanol and nicotinamide.
J. Coord. Chem. 61, 3740-3752 (2008).

Year 2007

85.M. Valko, D. Leibfritz, J. Moncol, M.T.D. Cronin, M. Mazur, J. Telser:
Free radicals and antioxidants in normal physiological functions and human disease.
Int. J. Biochem. Cell Biol. 39, 44-84 (2007). PDF Full Text (1353 K)

84. P. Banacky, A. Cigan, J. Manka, M. Kopcok, F. Hanic, S. Buchta, M. Valko:
Effects of the scandium/copper substitution on magnetic properties of the YBa2Cu3Oy-Sc2O3 system.
Physica C 460-462 II, 797-798 (2007).

83. V. Brezova, D. Dvoranova, V. Zubor, M. Breza, M. Mazur, M. Valko:
Photochemical properties of camptothecin in the presence of copper(II) ions: The role of radicals as prospective species in photodynamic therapy.
Mol. Biotechnol. 37, 48-51 (2007).

82. J. Moncol, M. Mudra, P. Lohnecke, M. Hewitt, M. Valko, H. Morris, J. Svorec, M. Melnik, M. Mazur, M. Koman:
Crystal structures and spectroscopic behavior of monomeric, dimeric and polymeric copper(II) chloroacetate adducts with isonicotinamide,
N-methylnicotinamide and N,N-diethylnicotinamide.
Inorg. Chim. Acta. 360, 3213-3225 (2007).

81. P. Billik, G. Plesch, V. Brezova, L. Kuchta, M. Valko, M. Mazur:
Anatase TiO2 nanocrystals prepared by mechanochemical synthesis and their photochemical activity studied by EPR spectroscopy.
J. Phys. Chem. Solids. 68, 1112-1116 (2007).

80. M. Kleinova, M. Hewitt, V. Brezova, J.C. Madden, M.T.D. Cronin, M. Valko:
Antioxidant properties of carotenoids: QSAR prediction of their redox potentials.
Gen. Physiol. Biophys. 26, 07-103 (2007).

79. D. Dvoranova, M. Valko, A. Stasko:
Photoinduced transformation of camptothecin in the presence of iron(III) ions.
J. Photochem. Photobiol. A: Chemistry 185, 172-180 (2007).

Year 2006

78. M. Valko, C.J. Rhodes, J. Moncol, M. Izakovic, M. Mazur:
Free radicals, metals and antioxidants in oxidative stress-induced cancer.
Chem. Biol. Interact. 160, 1-40 (2006). PDF File (850 K)

77. M. Mazur, J. Moncol, M. Kleinova, P. Stachova, M. Valko:
EPR studies of Mn(II) and Cu(II) ions in SiO2 xerogels calcined under nitrogen atmosphere.
Phys. Chem. Glasses B 47, 278-282 (2006).

76. M. Mazur, M. Kleinova, J. Moncol, P. Stachova, M. Valko, J. Telser:
Time evolution of a sol-gel process monitored by Mn2+ EPR spectroscopy.
J. Non-Cryst. Solids 352, 3158-3165 (2006).

75. J. Moncol, P. Segla, D. Miklos, M. Mazur, M. Melnik, T. Glowiak, M. Valko, M. Koman:
Free radicals, metals and antioxidants in oxidative stress-induced cancer.
Polyhedron 25, 1561-1566 (2006).

Year 2005

74. M. Valko, H. Morris, M.T.D. Cronin:
Metals, toxicity and oxidative stress.
Curr. Med. Chem. 12, 1161-1209 (2005). PDF File (480 K)

73. M. Boca, M. Izakovic, G. Kickelbick, M. Valko, F. Renz, H. Fuess, K. Matuzsna:
Structure of the copper(II) perchlorate complex with Schiff base ligand containing pyridine N-oxide fragments and propylene bridges: Solvatochromic effect.
Polyhedron 24, 1913-1921 (2005).

72. R. Boca, M. Hvastijova, J. Kozisek, M. Valko, H. Ehrenberg, H. Fuess, W. Haase, I. Svoboda, R. Werner:
A trinuclear cyanamidonitrate-copper(II) complex bridged by imidazolato ligands.
Inorg. Chem. Commun. 8, 548-551 (2005).

71. A. Huber, L. Muller, H. Elias, R. Klement, M. Valko:
Cobalt(II) Complexes with Substituted Salen-Type Ligands and Their Dioxygen Affinity in N,N-Dimethylformamide at Various Temperatures.
Eur. J. Inorg. Chem. 8, 1459-1467 (2005). PDF File (166 K)

70. S. Kasparova, V. Brezova, M. Valko, J. Horecky, V. Mlynarik, T. Liptaj, O. Vancova, O. Ulicna, D. Dobrota:
Study of the oxidative stress in a rat model of chronic brain hypoperfusion.
Neurochem. Internat. 46, 601-611 (2005). PDF File (300 K)

69. M. Mazur, J. Moncol, M. Valko, H. Morris:
Analysis of the longitudinal, "sloping plateau" effect of a planar sample in a single TE102 rectangular electron paramagnetic resonance cavity.
Anal. Chim. Acta 538, 165-174 (2005).

Year 2004

68. M. Valko, M. Izakovic, M. Mazur, C. J. Rhodes, J. Telser:
Role of oxygen radicals in DNA damage and cancer incidence.
Mol. Cell. Biochem. 266, 37-56 (2004). PDF File (265 K)

67. J. Moncol, B. Kalinakova, J. Svorec, M. Kleinova, M. Koman, D. Hudecova, M. Melnik, M. Mazur, M. Valko:
Spectral properties and bio-activity of copper(II) clofibriates, part III: crystal structure of Cu(clofibriate)2(2-pyridylmethanol)2,
Cu(clofibriate)2(4-pyridylmethanol)2(H2O) dihydrate, and Cu2(clofibriate)4(N,N-diethylnicotinamide)2.
Inorg. Chim. Acta 357 3211-3222 (2004).

66. P. Segla, D. Miklos, P. Olejnikova, B. Kalinakova, D. Hudecova, M. Palicova, J. Svorec, M. Valko, M. Melnik, T. Glowiak:
Copper(II) pyridinecarboxylate adducts with chelating ligands as potential antimicrobial agents.
Inorg. Chim. Acta 357 4172-4180 (2004).

65. Mazur M, Moncol J, Valko M, et al.
Analysis of the radial and longitudinal effects of a planar sample in a single TE102 rectangular electron paramagnetic resonance (EPR) cavity.
Anal. Chim. Acta 526 163-176 (2004).

Year 2003

64. M. Boca, M. Valko, G. Kickelbick, M. Durik, W. Linert:
Cu-II complexes with the new Schiff base ligands as a mono- and bis-condensation products of 2-pyridinecarboxaldehyde-N-oxide with diethylenetriamine.
Inorg. Chim. Acta 349 111-122 (2003).

63. V. Brezova, M. Valko, M. Breza, H. Morris, J. Telser, D. Dvoranova, K. Kaiserova, L. Varecka, M. Mazur, D. Leibfritz:
Role of Radicals and Singlet Oxygen in Photoactivated DNA Cleavage by the Anticancer Drug Camptothecin: An Electron Paramagnetic Resonance Study.
J. Phys. Chem. B 107 2415-2425 (2003).

62. M. Mazur, M. Valko, H. Morris:
Influence of the variable wall thickness of the sample tubes and a quartz Dewar on the EPR signal intensity in a single TE102 and double TE104 rectangular cavity.
Anal. Chim. Acta 482 229-248 (2003).

61. C. J. Williams, H. Morris, J. Svorec, M. Valkova, M. Valko, J. Moncol, M. Mazur, F. Valach, M. Melnik:
A study of Copper(II)-carboxylato complexes with the biological ligands Nicotinamide and Papaverine.
J. Mol. Struct. 659 53-60 (2003).

Year 2002

60. J. Moncol, M. Palicová, P. Segla, M. Koman, M. Melnik, M. Valko, T. Glowiak:
Structure and spectral study of copper(II) pyridinecarboxylates: crystal and molecular structure of trans-diaqua-bis(N,N-diethylnicotinamide-N)bis(2-chloronicotinate-O)copper(II).
Polyhedron 21 365-370 (2002).

59. M. Mazur, M. Valko, H. Morris:
From a point-like to an arbitrarily shaped sample; A survey of equations for electron paramagnetic resonance signal intensity calculations.
Anal. Chim. Acta 456 129-146 (2002).

58. M. Mazur, M. Valko:
EPR spectroscopy of Cr(III) and Cr(V) ions in silica xerogels calcined at various temperature.
Phys. Chem. Glasses 43 237-240 (2002).

57. M. Mazur, M. Valko, H. Morris:
Radial and longitudinal profiles of the electron paramagnetic resonance signal intensity of a single TE102 rectangular cavity - A three-dimensional surface plot for a point-like sample.
Anal. Chim. Acta 464 163-170 (2002).

56. P. Balaz, M. Valko, E. Boldizarova, J. Briancin:
Properties and reactivity of Mn-doped ZnS nanoparticles.
Mater. Lett. 57 188-191 (2002).

Year 2001

55. M. Mazur, M. Valko, H. Morris:
Analysis of the movementof cylindrical samples of variable internal diameter and variable length along the x-axis of a double TE104 and a single TE102 rectangular cavity.
A sample shape study.
Appl. Magnetic. Reson. 20 317-344 (2001).

54. M. Valko, H. Morris, P. Rapta, M. Mazúr, R. F. Bilton:
Oxygen free radical generating mechanisms in the colon: do the semiquinones of vitamin K play a role in the aetiology of colon cancer?
Biochim. Biophys. Acta 1527 161-166 (2001).

53. A.V. Malkov, I. R. Baxendale, M. Bella, V. Langer, J. Fawcett, D.R. Russell, D. J. Mansfield, M. Valko, P. Kocovsky:
Synthesis of New Chiral 2,2-Bipyridyl-Type Ligands Their Coordination to Molybdenum(0),Copper(II), and Palladium(II),
and Application in Asymmetric Allylic Substitution, Allylic Oxidation, and Cyclopropanation.
Organometallics 20 673-690 (2001).

52. D. Miklos, P. Segla, M. Palicova, M. Kopcova, M. Melnik, M. Valko, T. Glowiak, M. Korabik, J. Mrozinski:
Synthesis, spectral and magnetic properties, and crystal structures of copper(II)2-methylthionicotinate adducts with chelating ligands.
Polyhedron 20 1867-1874 (2001).

51. L. Valko, F. Hurta, M. Valko, J. Slama, A. Kosturiak:
Binuclear iron Fe(II) 3-semicarbazone-2,3 dioxoindole complexes as potential organic ferromagnets.
Acta Phys. Slov. 51 281-287 (2001).

50. P. Banacky, P. Pelikan, M. Valko, S. Buchta, F. Hanic, A. Cigan:
Electron Paramagnetic Resonance of High-Tc Superconducting Composites YBa2Cu3-xScxO6+-d.
J. Phys. Chem. B 105 1943-1946 (2001).

49. M. Mazúr, M. Valko, H. Morris:
Influence of the movement of "over full-length cavity" cylindrical samples along the x-axis of a double TE104 and a single TE102 rectangular
cavity on the electron paramagnetic resonance; An unusual effect analysis.
Anal. Chim. Acta 443 127-141 (2001).

Year 2000

48. J. Cvengros, M. Valko, S. Pollak, J. Lutisan:
Analysis of RTD curves from a molecular evaporator.
Chem. Papers 53 417-423 (2000).

47. M. Mazur, M. Valko, H. Morris:
Analysis of the radial and longitudinal effect in a double TE104 and a single TE102 rectangular cavity.
J. Magn. Reson. 142 37-56 (2000).

46. M. Mazur, V. Mlynarik, M. Valko, P. Pelikan:
The time evolution of the sol-gel process: 29Si NMR srudy of hydrolysis and condensation reactions of tetraethoxysilane.
Appl. Magn. Reson. 18 187-197 (2000).

45. M. Valko, M. Mazur, H. Morris, R. Klement,C. J. Williams, M. Melnik:
Effect of coordinated base on magnetic behaviour of copper(II) carboxylates with fatty acid chains (An ESR study).
J. Coord. Chem. 52 129-138 (2000).

44. M. Gembicky, P. Baran, R. Boca, H. Fuess, I. Svoboda, M. Valko:
Zinc(II) trinuclear complexes involving pyridine N-oxide ligands: distortion isomerism and magnetic properties of copper(II) analogues.
Inorg. Chim. Acta 305 75-82 (2000).

43. R. Boca, H.-F. Klein, A. Schmidt, M. Valko, W. Linert:
Magnetic properties of triangulo cobalt-hydride cluster [H3Co3(m-CO)3(PMe3)6].
Chem. Phys. Lett. 323 243-248 (2000).

Year 1999

42. M. Mazur, V. Mlynarik, M. Valko, P. Pelikan:
The time evolution of the sol-gel process: 29Si NMR study of hydrolysis and condensation reactions of tetramethoxysilane.
Appl. Magn. Reson. 16 547-557 (1999).

41. J. Kohout, M. Hvastijova, J. Kozisek, J. G. Diaz, M. Valko, L. Jäger, I. Svoboda:
Cyanamidonitrate-copper(II) complexes of imidazole ligands: X-ray crystallography and physical investigation.
Inorg. Chim. Acta 287 186-192 (1999).

40. M. Valko, H. Morris, M. Mazur, J. Telser, E. McInnes, F. Mabbs:
High affinity binding site for copper(II) in human and dog serum albumins. (An EPR study).
J. Phys. Chem. B 103 5591-5597 (1999).

39. R. Klement, F. Stock, H. Elias, H. Paulus, P. Pelikan, M. Valko, M. Mazur:
Copper(II) complexes with derivatives of salen and tetrahydrosalen: a spectroscopic, electrochemical and structural study.
Polyhedron 18 3617-3628 (1999).

38. S. C. Mojumdar, M. Melnik, M. Valko:
Spectral and thermal properties of copper(II) complexes with methyl-3-pyridyl carbamate.
Polish J. Chem. 73 457-463 (1999).

37. M. Mazur, M. Valko:
Radial and angular dependence of the EPR signal intensity in a Bruker single TE102 rectangular cavity.
Bruker Report 147 43-45 (1999).

Year 1998

36. V. Lombardi, L. Valko, S. Štolc, M. Valko, O. Ondrejickova, L. Horákova, M. Melník, J. Placek, A. Troncone:
Free radicals in rabbit spinal cord ischemia: An Electron Spin Resonance spectroscopy and correlation with SOD activity study.
Cell. Mol. Neurobiol. 18 399-412 (1998).

35. M. Mazur, M. Valko, H. Morris:
EPR signal intensity of a line-like sample with a variable length situated at an arbitrary position
along the common sample-cavity axis. Theoretical prediction versus experimental measurement.
Anal. Chim. Acta 367 233-243 (1998).

34. M. Mazur, M. Valko, M. Micov, H. Morris:
Analytical solution for the EPR signal intensity of a line-like sample of variable length whose centre is situated at an arbitrary position along the common sample-cavity x-axis.
Anal. Chim. Acta 373 107-109 (1998).

33. R. Boca, H. Elias, W. Haase, M. Hüber, R. Klement, L. Müller, H.Paulus, I. Svoboda, M. Valko:
Spectroscopic and magnetic properties and structure of a five-coordinate, O2-binding cobalt(II) Schiff base complex and of the copper(II) analogue.
Inorg. Chim. Acta 278 127-135 (1998).

32. S. C. Mojumdar, M. Valko, M. Melnik:
Synthesis, thermal and spectral properties of Cu(II) complexes with N,N-diethylnicotinamide.
Chem. Papers 52 650-654 (1998).

Year 1997

31. M. Valko, R. Boca, R. Klement, J. Kozíšek, M. Mazúr, P. Pelikán, H. Morris, H. Elias, L. Müller:
Effect of hydrogenation on electronic and distant magnetic properties in copper(II) complexes
with derivatives of tetrahydrosalen and salen. X-ray crystal structure of [Cu{Bu, Me(saltmen)}] complex.
Polyhedron 16 903-908 (1997).

30. V. Lombardi, L. Valko, M. Valko, A. Scozzafava, H. Morris, M. Melnik, J. Švitel,M. Budešinský, J. Pelnar,
J. Šteno, T. Liptaj, L. Zalibera, J. Budinská, J. Zlatoš, A. Giuliani, L. Mascolo, D. Leibfritz:
1H NMR ganglioside ceramide resonance region on the differential diagnosis of low and high malignancy of brain gliomas.
Cell. Mol. Neurobiol. 17 521-535 (1997).

29. M. Mazur, M. Valko, H. Morris:
A simple alignment procedure for the precision positioning of the sample at arbitrary points of the intracavity space of a TE104 double rectangular cavity.
Rev. Sci. Instrum. 68 2514-2517 (1997).

28. M. Mazur, M. Valko, P. Pelikan:
Quantitative EPR spectroscopy in solid state chemistry.
Chem. Papers 51 134-136 (1997).

27. M. Mazur, H. Morris, M. Valko:
Analysis of the movement of line-like samples of variable length along the X-axis of a double TE104 and a Single TE102 rectangular cavity.
J. Magn. Reson. 129 188-200 (1997).

26. Z. Cernošek, M. Liška, P. Pelikán, E. Cernošková, M. Valko, M. Frumar:
Computer simulation of ESR spectra of Ge25S75 and Ge30S70 bulk glasses.
Collect. Czech. Chem. Commun. 62 1721-1729 (1997).

Year 1996

25. S. Štolc, L. Valko, M. Valko, V. Lombardi:
A Technique for the fast sampling of biological tissues for Electron Paramagnetic Resonance Spectroscopy.
Free Rad. Biol. Med. 20 89-91 (1996).

24. M. Mazur, M. Valko, R. Klement, H. Morris:
Quantitative electron paramagnetic resonance (EPR) spectrometry with a TE104 double rectangular
cavity. Part 1. A simple alignment procedure for the precision positioning of the sample.
Anal. Chim. Acta 333 249-252 (1996).

23.M. Mazur, M. Valko, H. Morris, R. Klement:
Quantitative electron paramagnetic resonance (EPR) spectrometry with a TE104 double rectangular cavity.
Part 2. Analysis od sample and TE104 cavity error sources associated with the movement of line-like samples into the TE104 cavity.
Anal. Chim. Acta 333 253-265 (1996).

22. P. Pelikan, M. Liška, M. Valko, M. Mazur:
Quantitative analysis od EPR spectra of powdered samples containing a mixture of various paramagnetic particles.
J. Magn. Reson. A 122 9-15 (1996).

21. R. Boca, M. Hvastijová, J. Kozíšek, M. Valko:
The crystal, molecular and electronic structure of bis{bis(methoxycarbimido) aminato} copper(II) complex.
Inorg. Chem. 35 4794-4797 (1996).

20. F. Linert, F. Renz, R.Boca, M. Valko, R. Klement, M. Mazur:
Magnetic properties and electronic structure of five and six coordinate manganase(II)2, 6- bis(benzimidazol-2-yl) pyridine complex.
J. Coord. Chem. 40 293-309 (1996).

Year 1995

19. M. Valko, R. Klement, P. Pelikán, R. Boca, L. Dlhan, A. Böttcher, H. Elias, L. Müller:
Copper(II) and Cobalt(II) complexes with derivatives of salen and tetrahydrosalen: An Electron Spin Resonance, Magnetic Susceptibility, and Quantum chemical study.
J. Phys. Chem. 99 137-143 (1995).

18. M. Liška, M. Mazur, H. Hulínová, P. Pelikan, M. Valko, I. Nerad:
Wetness effect on EPR Cu(II) Spin label in Heat Treated Silica Xerogels.
Ceramics 30 69-72 (1995).

Year 1994

17. M. Valko, L. Valko:
On influence of the magnetic field effect on the solid-melt phase transformations.
IEEE Trans. Magn. 30 1122-1123 (1994).

16. M. Hartmanová, A.A. Urusovskaya, M. Valko, T.V. Oreshnikova:
Effect of reduction on single crystal yttria-stabilized zirconia.
Solid State Phenom. 39-40 227-230 (1994).

Year 1993

15. M. Valko, R.F. Bilton, H. Morris, M. Melník:
ESR spectra of dimeric copper(II) carboxylato complexes with the biologically important ligand nicotinamide.
J. Coord. Chem. 29 257-263 (1993).

14. H. Hulínová, M. Mazúr, P. Pelikán, M. Liška, M. Valko:
EPR investigation of sol-gel processes. Part 1. Mn2+ spin label- a simple structural relaxation model.
Phys. Chem. Glasses 34 164-167 (1993).

13. A. Bottcher, H. Elias, E.-G. Jager, H. Langfelderová, M. Mazúr, L. Müller, H. Paulus, P. Pelikán, M. Rudolph, M. Valko:
Comparative study on the coordination chemistry of cobalt(II), nickel(II) and copper(II) with derivatives of "salen"
and "tetrahydrosalen" : Metal-catalyzed oxidative dehydrogenation of the C-N bond in coordinated "tetrahydrosalen".
Inorg. Chem. 32 4131-4138 (1993).

Year 1992

12. K. Smolander, M. Macko, M. Valko, M. Melník:
The crystal and molecular structure of tetrakis[m- propionato] bis (nicotinamide) dicopper(II).
Acta Chem. Scand. 46 29-33 (1992).

11. L. Lapcík, Jr., Ch. Dammer, M. Valko:
Hyaluronic acid-copper(II) complexes: Spectroscopic characterization.
Colloid Polym. Sci. 270 1049-1052 (1992).

Year 1991

10. L. Valko, M. Valko:
Lipid phase transition and relaxation phenomena.
J. Molec. Struct.(Theochem) 227 147-155 (1991).

9. M. Valko, M. Melník, H. Morris, R.F. Bilton, P. Pelikán:
ESR spectra of dimeric copper(II) compounds of CuX2(H2O) and CuX2(py) (X=2-fluoro-6-chlorobenzoate; py=pyridine).
Chem. Phys. Lett. 183 372-376 (1991).

8. P. Pelikán, M. Valko, M. Mazúr, M. Liška, H. Hulínová, A. Plško:
EPR spectroscopy of glass structure. I. Radiation induced paramagnetic centers in glasses.
Ceramics 35 67-89 (1991).

7. P. Pelikán, M. Mazúr, M. Valko, H. Hulínová, M. Liška:
EPR spectroscopy of glass structure. II. Paramagnetic impurities in glasses.
Ceramics 35 165-189 (1991).

6. M. Mazúr, P. Pelikán, M. Valko, V. Mlynárik, A. Plško, M. Liška, H. Hulínová:
NMR spectroscopy of glass structure. I. Silicate solution NMR study.
Ceramics 35 303-321 (1991).

5. M. Mazúr, P. Pelikán, M. Valko, V. Mlynárik, A. Plško, M. Liška, H. Hulínová:
NMR spectroscopy of glass structure. II. Solid state NMR study.
Ceramics 35 391-416 (1991).

Year 1900

4. M. Valko, M. Melník, P. Pelikán, F. Valach, M. Mazúr:
ESR spectra of Cu(II) complexes with biologically important ligands at 77 K.
Chem. Phys. Lett. 174 591-594 (1990).

3. M. Valko, P. Pelikán, S. Biskupic, M. Mazúr:
ESR spectra of copper(II) complexes in the solids.
Chem. Papers 44 805-813 (1990).

2. M. Valko, M. Mazúr, P. Pelikán, I. Kovácik, P. Baran, D. Valigura:
Powder ESR Spectra of the Complexes [Cu(phen)2X]ClO4 and [Cu(bipy)2X]ClO4.
Collect. Czech. Chem. Commun. 55 1660-1665 (1990).

1. P. Pelikán, M. Valko, I. Kovácik, M. Mazúr, A. Staško:
Polycrystalline ESR spectra of the [Co(1,3diaminopropane)3][CuCl5]3H2O.
Chem.Papers 44 477-484 (1990).