RT Book, Section SR Electronic(1) A1 International Narcotics Control Board YR 2020 T1 Foreword T2 Precursors and Chemicals Frequently Used in the Illicit Manufacture of Narcotic Drugs and Psychotropic Substances 2019 PB United Nations SN 9789210048460 DO 10.18356/c374e9c1-en UL https://www.un-ilibrary.org/content/books/9789210048460c001