Biswas,S B. <br/><br/>
An Introduction to Viruses /  Textual Documents 
S.B.Biswas & Amita Biswas. 
 - 4th ed. / 
 - New Delhi :  Vikas Publishing House ,  1996. 
 - iv,335p. :  ill ;  22cm. . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Botany Viruses T/G-Botany 
<br/><br/><label>Dewey Class. No.: </label>581.2