1. Infant-mother attachment;Ainsworth;Amer. Psychol.,1979
2. Further observations on the effect of reverse isolation from birth on cognitive and affective development;Freedman;This Journal,1976
3. The Psychological Birth of the Infant;Mahler,1975
4. The Psychology of the Child;Piaget,1969
5. The impact of reverse isolation on early childhood development;Simons;Psychother. Psychosom.,1973