BISWAS, S. B. Biswas, Amita An introdution to viruses / [by] S.B.Biswas, Amita Biswas - 4th ed., rev. - New Delhi Vikas Publishing House 2001 - xvi, 360 pages Includes index and glossary. ISBN: 706982207 Subjects--Topical Terms: Viruses Dewey Class. No.: 579.2 / BIS