For B.Sc. and M.Sc. classes of all indian universities and as per ugc model curriculum Verma, P.S. creator Agarwal, V.K. text New Delhi S. Chand 2014(repr.) 9th rev. multicolour ed. monographic xi, 1294p. 24 cm(pbk) col. ill. by P.S. Verma [and] V.K. Agarwal Includes index 576.5 9788121931144 BAC-EN21 ENG-111718 UBH/Ven dpl DBAD/PUB