581.3
S548E
           Shepherd, Audrey M
               The Energence of larvae from cysts in the genus Heterodera a review of factors affecting hatching \ Audrey M Shepherd - England : Commonwealth Agricultural Bureaux, 1962.
               vii, 90p. - Technical communication/Commonwealth Bureau of Helminthology; no. 32 .
86516
                Subjects: Larvae; Knee; Heterodera.