Unknown Author
Alekseĭ Dmitrievich Shcheglov
L'Esterel Conference on Ore Reservation Estimation and Grade Control (1967)
Pierre M. Gy
Peter C. Lightfoot
Iosif Davidovich Kogan
Kenneth F. Lane
Eugene N. Cameron
Samuel John Truscott
Ivan Moiseevich Ozerov
Scott W. Hazen
S. P. Pillai
Jean-Michel Rendu
J.-M Rendu
Merritt, Clifford Addison
United States. Bureau of Mines.
Ion Llewellyn Idriess
A. T. Miesch
A.A IAkzhin