1. The psychiatric nurse as a behavioral engineer;Ayllon;Journal of the Experimental Analysis of Behavior,1959
2. Explorations in ecological psychology;Barker;American Psychologist,1965
3. Settings of a professional lifetime;Barker;Journal of Personality and Social Psychology,1979
4. Bunn, D. (1988, CALPIRG survey. Looks aren't everything: Consumers choose less pesticides. Unpublished report, Los Angeles, California Public Interest Research Group.