Bhattacharya A K Ed. Proceeding on current trends in geology Bhattacharya A K Ed.; Srinivasan M S Ed.; Lal R K Ed.; Gairola V K Ed. - New Delhi Today and Tommorrow's Publication 1982 - xiv,894p. cm. - Current trends in geology . Standard No.: 54294 Source: Textual Subjects--Topical Terms: Geology Dewey Class. No.: H.2p1,N82, M5