International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India : proceedings /
International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India : proceedings /
editor, B. Singh ; sponsored and organised by Central Mining Research Station, Dhanbad, Council of Scientific and Industrial Research.
- New Delhi : Oxford & IBH Pub. Co., c1988.
- 530 p. : ill.
8120403037 (v. 1)
90011038
Underground construction.
Underground areas.
8120403037 (v. 1)
90011038
Underground construction.
Underground areas.