TY - BOOK AU - UNITED NATIONS, DRUG SUPERVISORY BODY ED - UNITED NATIONS, DRUG SUPERVISORY BODY TI - Estimated world requirments of narcotics drugs and estimates of world production of opium in 1966 U1 - X9(F56):2.1N45.N66, K6 PY - 1966/// CY - Geneva PB - United Nations N1 - Fourth supplement ER -