Estimated world requirements of narcotic drugs and estimates of world production of opium in 1977.
Card's contents:295,096 ESTIMATED Estimated world requirements of narcotic drugs and estimates of world production of opium in 1977. Geneva 1977 Univted Nations 4° International Narcotics Control Board /Tyt. i tekst również w jęz. fr. i hisz./ Suppl. 3. add. 1. s. 6, nlb. 2 Suppl. 4. s. 9, nlb. 1 Suppl. 5. s. 13, nlb. 1 Suppl. 6. s. 21, nlb. 1