O.W.Richards & R.G.Davies <br/><br/>
Immis Gerenal Text Book of Entomology Vol l: Structure Physiology and Development 

 - 10th Ed 
 - London  Chapman and Hall  1977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Immis Gerenal Text Book of Entomology Vol l: Structure Physiology and Development