Proceedings.
Series: Mineral resources development series, no. 38; [United Nations. Document] E/CN.11/993
Publisher: United Nations
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 413
Subjects: Geochemical prospecting -- Congresses.
Notes: Includes bibliographies.
"United Nations publication. Sales number: E.72.II.F.2."