00273nam a2200109Ia 450000500170000000800410001708200140005810000160007224500250008826000420011330000080015520260224040916.0260224s9999||||xx |||||||||||||| ||und||  a595.7 SON  aSonin, M.D. 0aHelminths of insects  aNew Delhi: Amerind Publicationsc1987  a227