Maheshwari, P. . Biology: A Textbook for Secondary Schools / Textual Documents P. Maheshwari and Manohar Lal. - 1st ed. / - New Delhi : National Council of Educational Research and Train , C1965. - vii,217p. : ill ; 24cm . Subjects--Index Terms: Biology G-Biology Dewey Class. No.: 574 / M 277 Te