1. Barrett JE (1992) Studies on the effects of 5-HT1A drugs in the pigeon. Drug Dev Res 26:299–317
2. Barrett JE, Gleeson S (1991) Anxiolytic effects of 5-HT1A agonists, 5-HT3 antagonists and benzodiazepines: conflict and drug discrimination studies. In: Rodgers RJ, Cooper SJ (eds) 5-HT1A agonists, 5-HT3 antagonists and benzodiazepines (their comparative behavioural pharmacology). John Wiley, Chichester, England, pp 59–105
3. Barrett JE, Witkin JM (1991) Buspirone in animals models of anxiety. In: Tunnicliff G, Eison A, Taylor D (eds) Buspirone: mechanisms and clinical aspects. Academic Press, Orlando, pp 37–79
4. Barrett JE, Witkin JM, Mansbach RS, Skolnick P, Weissman BA (1986) Behavioral studies with anxiolytic drugs. III. Antipunishment actions of buspirone in the pigeon do not involve benzodiazepine receptor mechanisms J Pharmacol Exp Ther 238:1009–1013
5. Brocco MJ, Koek W, Degryse AD, Colpaert FC, (1990) Comparative studies on the anti-punishment effects of chlordiazepoxide, buspirone and ritanserin in the pigeon, Geller-Seifter and Vogel conflict procedures. Behav Pharmacol 1:403–418