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2. Behavioral treatment of chronic aerophagia;Barrett;American Journal of Mental Deficiency,1987
3. On two types of deviation from the matching law: Bias and undermatching;Baum;Journal of the Experimental Analysis of Behavior,1974
4. Matching, undermatching, and overmatching in studies of choice;Baum;Journal of the Experimental Analysis of Behavior,1979
5. Stereotyped movements of mental defectives: 4. The effects of toys and the character of the acts;Berkson;American Journal of Mental Deficiency,1965