Results of the Austrian-Ceylonese Hydrobiological Mission, 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya PART VII: Dryopidae and Elminthidae of Ceylon
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Results of the Austrian-Ceylonese Hydrobiological Mission, 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya PART VII: Dryopidae and Elminthidae of Ceylon