References
- Blum R. H., Associates. Students and Drugs. Jossey-Bass, San Francisco 1969
- Garfield E. F., Boreing M. L., Smith J. P. Marijuana use on a campus: Spring, 1969. Intern. J. Addictions 1971; 6(3)487–491
- Greenwald B. S., Leutgert M. J. A comparison of drug users and non-users on an urban commuter college campus. Intern. J. Addictions 1971; 6(1)63–78
- Grupp S. E., McCain M. J., Schmitt R. L. Marijuana use in a small college: A Midwest example. Intern. J. Addictions 1971; 6(3)463–485