https://catalogue-scientifique.canada.ca/record=3396778~S6*frc
Rechercher Timm, W. B; Rechercher Parsons, C. S; Rechercher Carnochan, R. K; Rechercher Godard, J. S; Rechercher Mabee, H. C; Rechercher Traill, R. J; Rechercher Coyne, B. P
1925
General review of investigations and list of ores and metallurgical products on which experimental test and research work was conducted.
Publication gouvernementale