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Overwintering, migration and migratory morphs of Sitobion avenae (F.)

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1. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359284

Identifer	oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:359284
Date	January 1993
Creators	Helden, Alvin Jonathan
Publisher	University of East Anglia
Source Sets	Ethos UK
Detected Language	English
Type	Electronic Thesis or Dissertation