Usher,George <br/><br/>
An introduction to viruses 

 - Oxford  Pergamon  1970 
 - iv,32p.  ill. 
<br/><br/><label>ISBN: </label>080068146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viruses
<br/><br/><label>LC Class. No.: </label>MED QR359  / U3