Evans, Gwilym O. <br/><br/>
Principles of acarology / 
Gwilym O. Evans 
 - Oxon, Wallingford :  C. A. B. International ,  1992 
 - xviii, 563 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibiliographical references and indexes 
<br/><br/><label>ISBN: </label>0851988229