1. Angrist, B., Gershon, S.: Amphetamine abuse in New York City?1966 to 1968. Semin. Psychiat. 1, 195?207 (1969)
2. Cappell, H., Le Blanc, A.: Punishment of saccharin drinking by amphetamine in rats and its reversal by chlordiazepoxide. J. comp. physiol. Psychol. 85, 97?104 (1973)
3. Ellinwood, E., Duarte-Escalante, O.: Chronic methamphetamine intoxication in three species of experimental animals. In: Current Concepts on Amphetamine Abuse, E. H. Ellinwood and S. Cohen, eds., pp. 59?68. Rockville, Maryland: National Institute of Mental Health 1972
4. Ferris, R. M., Tang, F. L. M., Maxwell, R. A.: A comparison of the capacities of isomers of amphetamine, deoxypipradol, and methylphenidate to inhibit the uptake of tritiated catecholamines into rat cerebral cortex slices, synaptosomal preparations of rat cerebral cortex, hypothalamus and striatum and into adrenergic nerves of rabbit aorta. J. Pharmacol. exp. Ther. 181, 407?416 (1972)
5. Finney, D. J.: Statistical method in biological assay. London: Griffin 1971