Bioindicatores deteriorisationis regionis : Proceedings of the 4th international conference of Institute of landscape ecology of the Czechoslovak academy of sciences Čes. Budějovice, Liblice near Prague 28th June-2nd July1982 2 - Paukert, Jindřich; Růžička, Vlastimil 1953-; Boháč, Jaroslav 1952- (Ústav krajinné ekologie ČSAV, 1986)