1. Attachment and exploratory behaviour of one-year-olds in a strange situation;Ainsworth,1969
2. Individual differences in strange situation behaviour of one-year-olds;Ainsworth,1971
3. Infant-mother attachment and social development;Ainsworth,1974
4. Statistical Methods in Medical Research;Armitage,1971
5. Obstetrical medication and infant behaviour;Brackbill,1979