1. The development of the smiling response in early infancy;Ambrose,1961
2. Eye-contact, distance and affiliation;Argyle;Sociometry,1965
3. Critical moments in the psychiatric interview;Birdwhistell,1960
4. Perception and communication;Broadbent,1958
5. An interpretation of some agonistic postures: the role of ‘cut-off’ acts and postures;Chance;Symposia of the Zoological Society of London,1962