Learning factors in substance abuse : [based upon papers and discussion from a technical review on the range of learning factors that influence the acquisition and treatment of drug abuse, held November 3 and 4, 1986, in Bethesda, MD]

Ray, B. (Ed.), 1988. Learning factors in substance abuse : [based upon papers and discussion from a technical review on the range of learning factors that influence the acquisition and treatment of drug abuse, held November 3 and 4, 1986, in Bethesda, MD]. National Institute on Drug Abuse, Rockville.