by Vlach, P., Fischer, D., Hulec, L.
Published in Knowledge and management of aquatic ecosystems (2009)

by Vlach, P., Hulec, L., Fischer, D.
Published in Knowledge and management of aquatic ecosystems (2009)

by Hosman L. Hulec, F
Published in Sbornik Provozne Ekonomicke Fakulty Vysoke Skoly Zemedelske v Praze. Biologicka Rada. Ceske Budejovice (1973)