Proceedings of the eighth international congress of the international union for the study of social insects  /  

 - Wageningen :  Centre for agricultural Publishing and Documentation,  1977 
 - 325p.:  il.; 25 cm 
<br/><br/><label>ISBN: </label>90-220-0640-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insetos--Estudos
<br/><br/><label>Dewey Class. No.: </label>595.706 3