Mahapatra, Girija Bhushan . A Text Book of Geology / Textual Documents Girija Bhushan Mahapatra. - 1st ed. / - Delhi : CBS Publishers & Distributors , 1987. - xii,366p. : ill ; 21cm . Subjects--Index Terms: Geology G-Geology Dewey Class. No.: 550 / Ma 277 Te