Geoscience Canada
Philip W. Choquette et Noel P. James
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R. Gwilym Roberts
p. 37–52
James W. Stewart, A. C. Colvine, J. M. Franklin et J. P. N. Badham
p. 53–57
Lynn O'Donnell
p. 59–60
T. H. Pearce
p. 60–61
p. 62–67