BISWAS S.B. & BISWAS AMITA. <br/><br/>
INTRODUCTION TO VIRUSES. 

 -  "VIKAS PUBLIC HOUSE , NEWDELHI."  1977-02-11 
 -  76-77 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Personal Names: </label><br/>KANNADA KANNADA 
<br/><br/><label>Dewey Class. No.: </label>894.814