Imms' outlines of entomology / 
Richards .O.W. R.G Davies  
 - 6th ed. 
 - London ;  Chapman and Hall,  1978. 
 - 254 p.,:  ill,.; 
<br/><br/><label>ISBN: </label>9789400958593 
<br/><br/><label>LC Class. No.: </label>QL463  / .R52 1978