@book{Tinbergen, author = {Tinbergen, Niko}, title = {Social behaviour in animals, Frome and London (Butler \& Tanner) 1969.}, language = {de} } @article{Tinbergen, author = {Tinbergen, Niko}, title = {Ethologie}, series = {G. Roth (Ed.), Kritik der Verhaltensforschung, M{\"u}nchen (Verlag C. H. Beck) 1974, pp. 118-155.}, journal = {G. Roth (Ed.), Kritik der Verhaltensforschung, M{\"u}nchen (Verlag C. H. Beck) 1974, pp. 118-155.}, language = {de} }