12 World Mining Congress =
Subtitle: Congrès minier mondial = Vsemirnyĭ gornyĭ kongress = Congreso mundial de minería = Weltbergbau Kongress, New Delhi, India, November 19-23, 1984 : general reports.
Publisher: Organizing Committee of The 12th World Mining Congress
Published: 1984
Place of publication: Calcutta
Language: eng
Subjects: Mining engineering -- Congresses.; Mines and mineral resources -- Congresses.; Mineral industries -- Congresses.
Other titles: 12 Congrès minier mondial.; 12 Vsemirnyĭ gornyĭ kongress.; 12 Congreso mundial de minería.; 12 Weltbergbau Kongress.; Optimal exploitation of solid mineral resources, challenges and constraints.
Notes: Numbering supplied by this library . Books have letter (eg. "E")on cover.

[V. 5] has cover and spine title: Optimal exploitation of solid mineral resources, challenges and constraints: General Reports.
Table of contents: value: [V. 5.] General Reports