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Stanislav Lusk
Bohuslava Martinů 9, 602 00 Brno, Czech Republic.
Bohumír Lojkásek
Faculty od Science, Dept. of Biology and Ecology, Univ. of Ostrava, Chittussiho 10, 710 00 Ostrava-Slezská Ostrava, Czech Republic.
Lubomír Hanel
Faculty of Education, Department of Biology and Environ. Education, Charles University of Prague, Magdalény Rettigové 4, 116 39 Praha 1, Czech Republic.
Věra Lusková
Bohuslava Martinů 9, 602 00 Brno, Czech Republic.
Petr Hartvich
P.H.Fr. Ondříčka 12, 370 11 České Budějovice, Czech Republic.