Principles and methods for determining ecological criteria on hydrobiocenoses
Card's contents:528,010 PRINCIPLES Principles and methods for determining ecological criteria on hydrobiocenoses. Proceedings of the European Scientific Colloquium Luxembourg,November 1975. Ed. by R.Amavis and J.Smeets. Oxford 1976 Perfeamon Press 8° s. 531. /Tekst część, w Jęz. wł. i fr/.