DRUG 630,389 The drug debate: facts and arguments : excerpts from: "1st International Symposium Against Drugs in Switzerland. Ways to a Drug-Free Society and Physiopathology of Illicit Drugs". - Zurich : Verl. Menschenkenntnis, cop. 1994. - 59, [1] s. ; 17 cm ISBN 3-906989-43-7