Institution: | 1Institute of Geochemistry, Mineralogy and Mineral Resources, Charles University, Albertov 6, CZ-128 43 Prague 2, Czech Republic.;2Nuclear Physics Institute, Academy of Sciences of the Czech Republic, CZ-250 68 Rez near Prague, Czech Republic.;3Czech Mycological Society, Karmelitska 14, CZ-118 00 Prague 1, Czech Republic. |