Geophysical case histories of India proceedings of the seminar on exploration geophysics in India, February, 1977, Hyderabad edited by V. L. S. Bhimasankaran - Hyderabad Association of Exploration Geophysicists 1977 - illus; maps Subjects--Topical Terms: Geophysical HistoryIndia Universal Decimal Class. No.: 550.8 (063) / AEG