The situation of non-metallic minerals in developing countries
By: prepared by the UNIDO Secretariat
Contributors: World Congress on Non-Metallic Minerals (1985 : Belgrade, Serbia)
Publisher: United Nations Industrial Development Organization
Published: 1985
Place of publication: Vienna]
Language: eng
Subjects: Nonmetallic minerals industry
Notes: At head of title: World Congress on Non-Metallic Minerals, Belgrade, Yugoslavia, 15-19 April 1985.

"UNIDO/IO.613."

"V.85-24779."

"3 April 1985."