Biswas, S. B. An introduction to Viruses / S. B. Biswas and Amita Biswas. - New Delhi : Vikas, c 1976. - viii, 200 p. : ill. ; 21 cm. Includes index. Bibliography : p. 191-196. 319 319 ISBN: 0 7069 0411 7 Subjects--Topical Terms: Virology. Dewey Class. No.: 616 / S1i