Akins, C. ., & Geary, E. . (2008). Cocaine-induced behavioral sensitization and conditioning in male Japanese quail. Pharmacology, Biochemistry, and Behavior, 88(4), 432-7. https://doi.org/10.1016/j.pbb.2007.09.020

Geary, E. ., & Akins, C. . (2007). Cocaine sensitization in male quail: temporal, conditioning, and dose-dependent characteristics. Physiology & Behavior, 90(5), 818-24. https://doi.org/10.1016/j.physbeh.2007.01.010 (Original work published 2007)