1. Marijuana: A signal of misunderstanding;National Commission on Marijuana and Drug Abuse,1972
2. Drugs and American youth;Johnston,1973
3. The “hang-loose” ethic and the spirit of drug use;Suchman,1970
4. What will 1984 be like? Socioeconomic implications of recent twists in the age structure;Easterlin;Demography,1978
5. National survey on drug abuse: Main findings 1982;Miller,1983