European Scientific Colloquium: Principles and Methods for Determining Ecological Criteria on Hydrobiocenoses Luxemburg) (1975 profile picture

European Scientific Colloquium: Principles and Methods for Determining Ecological Criteria on Hydrobiocenoses Luxemburg) (1975

Principles and methods for determining ecological criteria on hydrobiocenoses: proceedings of the European Scientific Colloquium, Luxembourg, November 1975