1. 24 states drop drinking age in 3-year period,1973
2. Changing drinking patterns in Ontario: some implications;Archibald;Addictions,1973
3. A cross-cultural study of drinking: V Detailed definitions and data;Bacon;Quarterly Journal of Studies on Alcohol,1965
4. Sociocultural factors in alcoholism;Blacker;International Psychiatry Clinics,1966
5. Experimental and quasi-experimental designs for research;Campbell,1966