1. American Psychiatric Association: Diagnostic and statistical manual of mental disorders, 2nd Ed. Washington, D. C.: Amer. Psychiat. Ass. 1968
2. Angrist, B., Gershon, S.: Possible dose-response relationships in amphetamine psychosis. In: Zarafonetis, C.J.D. (Ed.): Drug Abuse; Proceedings of the International Conference. Philadelphia: Lea & Febiger 1972
3. Anslinger, H.J, Tompkins, W.F.: The traffic in narcotics. New York: Funk & Wagnalls Co. 1953
4. Ball J.C.: Two patterns of narcotic drug addiction in the United States. J. Criminal Law Criminol. Police Sci. 56, 203–211 (1965)
5. Baiter, M.B., Levine, J.: The nature and extent of psychotropic drug usage in the United States. Psychopharmacol. Bull. 5, 3–13 (1969)