BISWAS, S.B An Introduction to viruses S.B.Biswas and Amita Biswas - 4th rev.ed. - New Delhi Vikas 1996 - xvi,360p. Contents with glossary ISBN: 0-7069-8220-7 75.00 Subjects--Topical Terms: VIRUSES,MICROBILOGY Dewey Class. No.: BOT 576.64 / BSn96