https://catalogue-scientifique.canada.ca/record=4099156~S6*frc
Rechercher Wallis, L. W; Rechercher Fry, B. M; Rechercher Goodway, N. D; Rechercher Jenkins, J. E. E; Rechercher Tomlin, A. C; Rechercher Woodville, H. C
Rosewarne Experimental Experimental Station, Ministry of Agriculture, Fisheries and Food, 1967
Publication gouvernementale