Radchenko, V.G. <br/><br/>
Biology of bees (Hymenoptera, Apoidea) /(by) V.G. Radchenko, Yu.A. Pesenko 

 - St. Petersburg  RAS  1994 
 - 350p 
 - Russian Academy of Sciences .
<br/><br/><label>Dewey Class. No.: </label>595.799  / N94