WILLIAMS, D. J. <br/><br/>
The Soft Scales (Coccidae) & Other Families 

 - London.  CAB International Institute,  1990 
 - 267p,     Part iii 
<br/><br/><label>ISBN: </label>0-85198-659-5 
<br/><br/><label>Dewey Class. No.: </label>632.752