Verma, P. S. Genetics / P. S. Verma and V. K. Agarwal. - 4th ed. - New Delhi : S. Chand, 1982. - xii, 580 p. : ill. ; 21 cm. Includes index. 319 319 Subjects--Topical Terms: Genetics. Dewey Class. No.: 575.1 / V59g