1. Bell, D. S.: The experimental reproduction of amphetamine psychosis. Arch. gen. Psychiat. 29, 35?40 (1973)
2. Calhoun, J. B.: The ecology and sociology of the norway rat, p. 125. Washington: U.S. Government Printing Office 1962
3. Carranza-Acevedo, J., Ortega-Corona, B. G., Ordonez, S., Castro-Osuna, G.: Cambios en la conducta producidos por la administration chronica de d. anfetamina en ratones. Arch. Invest. Med. (Mex.) 1, 221?226 (1970)
4. Chance, M. R. A., Silverman, A. P.: The structure of social behavior and drug action. In: Animal behavior and drug action, pp. 65?79. Boston: Little, Brown & Co. 1964
5. Crowley, T. J.: Dose-dependent facilitation or suppression of rat fighting by methamphetamine, phenobarbital, or imipramine. Psychopharmacologia (Berl.) 27, 213?222 (1972)