Shepherd, Audrey M. The emergence of larvae from cysts in the genus Heterodera : a review of factors affecting hatching - Bucks : Commonwealth Bureau of Helminthology, 1962 - 90 p. - Technical communication ; 32 . - Technical communication ; 32 . LCCN: 56052 Subjects--Topical Terms: Heterodera.Nemátodos--Larvas.