https://catalogue-scientifique.canada.ca/record=3393455~S6*frc
Rechercher Bell, D. R; Rechercher Morgan, W. A; Rechercher Winterton, K; Rechercher Campbell, W. P; Rechercher Thurston, R. C. A; Rechercher Bell, D. I
PMD (Physical Metallurgy Division), 1959
Publication gouvernementale