1. Interaction of stimulus and response in infant conditioning.;Abrahamson;Psychosomatic Medicine,1970
2. Beitrage zur Entwicklung der Physiognomie und Mimikerkennens.;Ahrens;Zeitschrift für experimentelle und Angewandte Psychologic,1954
3. The development of the smiling response in early infancy.;Ambrose,1961
4. The concept of a critical period for the development of social responsiveness in early human infancy.;Ambrose,1963
5. Male and female auditory reinforcement of infant vocalizations.;Banikotes;Developmental Psychology.,1972