CAMIRO Mining Division
Unknown Author
Wilson Blake
Zbigniew Suchodolski
I. M. Petukhov
V. N. Poturaev
P. L. Swanson
D. G. F. Hedley
Kazimierz Stoiński
Terry McMahon
L. D. Borisenko
J. E. Udd
William C McLaughlin
Canada. Energy, Mines and Resources Canada.