1. The effects of deprivation upon temporally spaced responding;Conrad;J. exp. Anal. Behav,1958
2. Probability relations within response sequences under ratio reinforcement;Mechner;J. exp. Anal. Behav,1958
3. Mechner , F. Latranyi , M. Behavioral effects of caffeine, methamphetamine, and methylphenidate in the rat Nov. 1960
4. Behavioral effects of methamphetamine and methylphenidate in rat and man;Mechner;Neuro-psychopharmacology,1960