Recent advances in mining and processing of low-grade submarginal mineral deposits
Subtitle: (papers)
By: Centre for Natural Resources, Energy and Transport, United Nations, New York.
Contributors: United Nations. Centre for Natural Resources, Energy and Transport.
Publisher: Pergamon Press
Published: 1976
Place of publication: New York
Language: eng
Subjects: Mining engineering -- Congresses.; Ore-deposits -- Congresses.; Metallurgy -- Congresses.
Notes: Papers of a conference held in New York, Apr. 3-7, 1972.