Ågren, Lennart <br/><br/>
A morphological approach to the chemical communication system in hymenoptera, aculeata / 
Lennart Ågren. 
 -  1979. 
 - 43 p. 
 - Acta Universitati9s Upsaliensis ;  501 .
<br/><br/>Bibliography: p. 34-43. 
<br/><br/><label>Subjects--Index Terms: </label>eნტომოლოგია 
<br/><br/><label>Universal Decimal Class. No.: </label>595.7