P. Przewrocki1*, J. Kulczycka1, Z. Wzorek2, Z. Kowalski2,
K. Gorazda2, M. Jodko2
1 Polish Academy of Sciences, Mineral and Energy Economy Research Institute, Division of Strategic Research,
Wybickiego 7, 31-261 Kraków, Poland
2 Institute of Chemistry and Inorganic Technology, Cracow University of Technology,
Warszawska 24, 31-015 Kraków, Poland
Pol. J. Environ. Stud. 2004;13(2):237–244