1. Barrett JE, Glowa JR, Nader MA (1989) Behavioral and pharmacological history as determinants of tolerance- and sensitization-like phenomena in drug action. In: Goudie AJ, Emmett-Oglesby MW (eds) Psychoactive drugs: tolerance and sensitization. Humana Press, Clifton, New Jersey, pp 181–219
2. De Wit H, Stewart J (1981) Reinstatement of cocaine-reinforced responding in the rat. Psychopharmacology 75:134
3. Dworkin SI, Porrino LJ, Smith JE (1992) Importance of behavioral controls in the analysis of on-going events. In: Brown R, Frascella J (eds) Neurobiological approaches to brain behavior interaction. NIDA Research Monograph. Alcohol Drug Abuse and Mental Health Administration, Washington, DC (in press)
4. Griffiths RR, Lukas SE, Bradford LD, Brady JV, Snell JD (1981) Self-injection of barbiturates and benzodiazepines in baboons. Psychopharmacology 75:101–109
5. Griffiths RR, Sannerud CA, Ator NA, Brady JV (1992) Zolpidem behavioral pharmacology in baboons: self-injection, discrimination, tolerance and withdrawal. J Pharmacol Exp Ther 260:1199–1208