1. Comparison of different populations: Resistance to extinction and transfer;Anderson;Psychological Review,1963
2. What genetic architecture can tell us about the natural selection of behavioral traits;Broadhurst,1974
3. The effect of deprivation and frequency of reinforcement on variable interval responding;Clark;Journal of the Experimental Analysis of Behavior,1958
4. Environmental therapy in hypothroid and other disadvantaged animal populations;Davenport,1976
5. Anatomical brain changes indiced by environment;Diamond,1976