Crofton, H. D. Nematodes [by] H.D. Crofton. - London, Hutchinson, 1966. - 160 p. illus., tables, diagrs. 22 cm. - Hutchinson University library: Biological sciences . ISBN: 32/6 LCCN: 66075444 Nat. Bib. No.: B66-17712 Subjects--Topical Terms: Nematodes. LC Class. No.: QL391.N4 / C74 Dewey Class. No.: 595.13