206 pages : illustrations, portrait ; 24 cm.

Der Kreis um Konrad Lorenz : Ideen, Hypothesen, Ansichten Festschriften anläl̊ich des 85. Geburtstages von Konrad Lorenz am 7.11.1988 / herausgegeben von W.M. Schleidt ; mit Beiträgen von R. Apfelbach [and others].

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