1. Ader, R., and Clink, D.W. Effects of chlorpromazine on the acquisition and extinction of an avoidance response in the rat. J. Pharmacol. Exp. Ther., 1957, 121, 144.
2. Barnhart, S.S., and Abbott, D.W. Dissociation of learning and meprobamate. Psychol. Rep., 1967, 20, 520.
3. Barry, H. Prolonged measurements of discrimination between alcohol and nondrug states. J.Comp. Physiol. Psychol., 1968, 65, 349.
4. Barry, H. Etheredge, E.E., and Miller, N.E. Counterconditioning and extinction of fear fail to transfer from amobarbital to nondrug state. Psychopharmacologia (Bed.), 1965, 8, 150.
5. Barry, H.Koepfer, E., and Lutch, J. Learning to discriminate between alcohol and nondrug condition.Psychol. Rep., 1965, 16, 1072.