1. National Clearinghouse on Alcohol Information (U.S. Department of Health, Education and Welfare, Public Health Service). Personal Communication, April 11, 1979.
2. Homer, A. Unpublished data, 1977. (Available from Pilot Alcohol and Drug Abuse Treatment Unit (116A9), Veterans Administration Hospital, Salt Lake City, UT 84148.)
3. Principles of behavior modification;Bandura,1969
4. Dropping out of treatment: A critical review;Baekeland;Psychological Bulletin,1975
5. Computatoinal handbook of statistics;Bruning,1968