Small-scale mining in the developing countries.
Series: Document) / (United Nations -- ST/ECA/155
Publisher: United Nations
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 171
Subjects: Underdeveloped areas -- Mineral industries.
Notes: "United Nations publication. Sales no., E.72.II.A.4."

Bibliography, p. 158-166.