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 - Deleve, J. (NARA, Colombo 15, 1973)
Keywords: Aquatic Sciences