00453nam a2200133Ia 4500008004100000082001600041100011000057245001600167260007400183300000800257650001800265650002400283653001200307170901s1977    xx            000 0 und d  a595.7bI-5P  aInternational Congress of the International Union for the Study of Social Insects, Sept., 1977 Wageningen 0aProceedings  aWageingenbCentre for Agricultural Publishing and Documentationc1977  a325  aPure Sciences  aZoological sciences  aInsects