Das, Prabhat Chandra . Adhunic Jibabidya Parichay / Textual Documents Prabhat Chandra Das. - 1st ed. / - Guwahati : Kamala Das , 1989. - 175p. : ill ; 21cm . Subjects--Index Terms: Biology G-Geology Dewey Class. No.: 570 / Da 26 Ji