1. Infant–mother attachment;Ainsworth;Am Psychol,1979
2. Maternal stimulation and infant exploratory competence: cross-sectional, correlational and experimental analysis;Belsky;Child Dev,1980
3. Intuitive parenting: a dialectic counterpart of the infant’s integrative competence;Papousěk,1987
4. Communication and cooperation in early infancy: a description of primary intersubjectivity;Treverthen,1979
5. Psychological changes accompanying pregnancy and motherhood;Leifer;Genet Psychol Monogr,1977