1. Attachment as related to mother-infant interaction;Ainsworth,1979
2. Attachment behaviour out of doors;Anderson,1972
3. Infant crying and maternal responsiveness;Bell;Child Develop.,1972
4. Comparative aspects of motherchild contact;Blurton Jones,1972
5. Forty-four juvenile thieves: their characters and home life;Bowlby;Int. J. Psychoanal.,1944