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38. Der Aa-bach

Lieber, Adolf (1935)


Doctoral and Habilitation Theses

44. Die Kosten der biologischen Abwasserreinigung

Negaard, Jörg (1975)


Doctoral and Habilitation Theses

48. Die Verunreinigung der Seen mit Schwermetallen

Tschopp, Jürg (1979)


Doctoral and Habilitation Theses