1. Altman, J. L. Drugs and the perception of duration: A multiprocedural analysis. Unpublished doctoral dissertation, University of Chicago, 1974.
2. The effects of “psychotomimetic” drugs on animal behavior;Appel,1968
3. Some effects of LSD on visual discrimination in pigeons;Becker;Psychopharmacologia,1967
4. A new audiometer;Bekesy;Acta Oto-Laryngologica,1947
5. Effects of pentobarbital, lysergic acid diethylamide and chlorpromazine on matching behavior in the pigeon;Berryman;Psychopharmacologia,1962