Stanley, Wendell M. <br/><br/>
Viruses and the nature of life  / 
by Wendell M. Stanley and Evans G. Valens 
 - New York :  Dutton,  c1961. 
 - 224 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 219) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viruses
<br/><br/><label>Dewey Class. No.: </label>579.2