TY - BOOK ED - United Nations TI - The triennial review of mineral development activities in the escap region, 1982-1984 T2 - Mineral resources development series SN - 9211194369 SN - 00828114 U1 - 333.85 20 PY - 1987/// CY - New York: PB - United Nations Publication, KW - Mineral industry ER -