Nag, D. K. Geological Survey of India miscellanous publication no. 56 : bibliography on geotectonics in India D. K. Nag and Chitra Satpathi - Calcutta India Geological Survey 1982 - 95p. biblio, refs Subjects--Topical Terms: Geotechnics Universal Decimal Class. No.: 624.13(048.1) / NAG