LYONS, Kathleen M. The biology of helminth parasites /[by] Kathleen M.Lyons - London Edward arnold 1978 - 59 p.- - The institute of biology's studies in biology no; 102 . Includes references & index. ISBN: 713127155 Subjects--Topical Terms: Worms Helminthology Dewey Class. No.: 592.3 / LYO