Verma , P.S . Genitics / Textual Documents P.S.Verma , V.K.Agarwal. - Ist ed / - New Delhi : S.Chand & Com Ltd , 1975. - 1294p ; 23cm. ISBN: 81-219-3114-2 Subjects--Index Terms: Genetics Dewey Class. No.: 581.5 / Ve 59 Ge