TY - JOUR U1 - Wissenschaftlicher Artikel A1 - Essman, W. B. T1 - >Free< and motivated behaviour and amine metabolism in isolated mice JF - S. Garattini and E. B. Sigg (Eds.), Aggressive Behaviour, Amsterdam (Excerpta Medica Foundation) 1969, pp. 203-208. Y1 - 1969 ER -