UNITED NATIONS PUBLICATIONS 804,717 PSYCHOTROPIC Psychotropic substances : statistic for 1989 : assessments of medical and scientific requirements for substances in schedule II : requirement of impo­ rtant authorizations for substances in schedules III and IV / International Narcotics Control Board - Vienna. - New York * United Nations, 1990. - IV, 196 s. j wykr. j 30 cm Tyt. i tekst również w jęz. fr. i hisz. (United Nations Publications) ISBN 92-1-048048-1 ISSN 0253-9403