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Journal of the Experimental Analysis of Behavior|March 1, 1974
Effects of response-produced stimuli upon conditional discrimination performanceT Lydersen, D PerkinsJournal of the Experimental Analysis of Behavior|January 1, 1977
Effects of fixed-ratio sample and choice response requirements upon oddity matchingT Lydersen, D Perkins, H ChairezJournal of the Experimental Analysis of Behavior|January 1, 1980
Choice of timeout during response-independent food schedulesT Lydersen, D Perkins, S Thome, et al.Behavioural Processes|June 14, 2014
Timeout induced by differential-reinforcement-of-low-rate schedulesT LydersenBehavioural Processes|June 14, 2014
Schedule-induced timeout: Effects of timeout-contingent delayed reinforcementT LydersenJournal of the Experimental Analysis of Behavior|November 1, 1977
Fixed-ratio discrimination: effects of intermittent reinforcementT LydersenBehavioural Processes|June 5, 2014
Choice of timeout from fixed-time schedules: Comparison of two proceduresT LydersenJournal of the Experimental Analysis of Behavior|November 1, 1974
Fixed-ratio discrimination: effects of response-produced blackoutsT Lydersen, E K CrossmanZootaxa|October 14, 2018
A new genus and new species of Meropathina from Lord Howe Island (Coleoptera: Hydraenidae)Philip D PerkinsGenetics|July 1, 1974
The manifestation of chromosome rearrangements in unordered asci of NeurosporaD D PerkinsPageof 115