1. Conditioning factors in opiate addiction and relapse;Wikler,1965
2. Behavioral technique as an alternative to methadone maintenance;Baudin,1973
3. A learning approach to chronic drug use; sources of reinforcement;Cahoon;Behav. Ther.,1972
4. Experimental analysis of conditioning factors in human narcotic addiction;O'Brien;Pharmacol. Rev.,1975
5. Successful treatment of “drinamyl” addicts and associated personality changes;Kraft;Can. Psych. Assoc. J.,1970