@article{Medicus1987, author = {G. Medicus}, title = {Toward an Etho-Psychology: A Phylogenetic Tree of Behavioural Capabilities Proposed as a Common Basis for Communication between Current Theories in Psychology and Psychiatry}, journal = {Ethology and Sociobiology, Vol. 8 (1987), pp. 131S-150S.}, year = {1987}, }