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Alkohol, Tabak und illegale Drogen in der Schweiz 1994 - 1996
Meyer, Matthias, (1997)
Regulations no. 1 relating to the importation, manufacture, production, compounding, sale, dealing in, dispensing, prescribing, administering, and giving away of marihuana : under the act of August 2, 1937, public, no. 238, 75th Congress
(1964)
Narcotics and the law. A critique of the American experiment in narcotic drug control
Eldridge, William Butler, (1967)