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A Taxonomic Study of the Larvae of West African Simuliidae (diptera: Nematocera) with Comments on the Morphology of the Larval Black-fly Head

R. W. Crosskey

出版	Trustees of The British Museum, 1960
URL	http://books.google.com.hk/books?id=Nvj1SAAACAAJ&hl=&source=gbs_api