1. Patterns of Attachment: A Psychological Study of the Strange Situation;Ainsworth,1978
2. Animal Behavior: An Evolutionary Approach;Alcock,1989
3. The search for a general theory of behavior;Alexander;Behavioral Science,1975
4. The Adapted Mind,1992
5. Neuroimaging in obsessive compulsive disorder: seeking the mediating neuroanatomy;Baxter;Obsessive Compulsive Disorder,1990