Pollination of agricultural crops by bees.   Vol.iii 
<label>;</label> Mel`nichenko, A.N. <label>;</label> Sharma, B.R. 
 - New Delhi  Amerind Publishing Co.  1977 
 - vii, 406p.  ill.  24 cm. 
<br/><br/> from Russian 
<br/><br/><label>Dewey Class. No.: </label>638.19  / POL