Estimated world requirements of narcotic drugs : Drug Supervisory Body, Geneva. and estimates of world production of opium in 1976 / Évaluations pour ... des besoins du monde en stupéfiants et de la production mondiale d'opium. Supplément. Previsiones para ... de las necesidades mundiales de estupefacientes y de la producción mundial de opio. Suplemento. Supplement to the statement of estimated world requirements of narcotic drugs and estimates of world production of opium in ... Supplément à l'état des évaluations pour ... des besoins du monde en stupéfiants et de la production mondiale d'opium. Suplemento al estado de las previsiones para ... de las necesidades mundiales de estupefacientes y de la producción mundial de opio. United nations. United Nations. Drug Supervisory Body. International Narcotics Control Board. Drug control Periodicals. Opium trade Periodicals. Narcotics Statistics Periodicals. Opium Statistics Periodicals. Opium trade Law and legislation Periodicals. Narcotics supply & distribution. Opium supply & distribution. 613.8 UNE E/DSB. New York : United Nations, 1976. 1976. 1976 Text 69 p. ; eng Estimated world requirements of narcotic drugs in ... (1978) Estimated world requirements of narcotic drugs in ... (1948) Estimated world requirements of narcotic drugs and estimates of world production of opium in ... Estimated world requirements of narcotic drugs and estimates of world production of opium in ...