Lake Gardsjön : an acid forest lake and its catchment
1985
Andersson, Folke |
Olsson, Bengt |
Lake ecosystems
The trophic cascade in lakes
1993
Carpenter, Stephen R. |
Kitchell, James F. |
Das Schutzgebiet Mettmenhaslisee, Niederhasli
1968
Zeller, Willy |