The viroids 
edited by T. O. Diener 
 - New York  Plenum Press  1987 
 - 344 pages. :   illustration. ;  25 cm. 
 - The Viruses .
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0306425238 
<br/><br/><label>LCCN: </label>87-13017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viroids