Roland Kiessling
K. C. Mills
Vaughan, David J.
Complex Sulphide Ores Conference (1980 Rome, Italy)
Otto Weisser
Youngkyu Do
Ivan Kostov
H. C. Ko
Peter A. Williams
R. Sherlock
S. E. Church
Unknown Author
E. Susan Vearncombe
Herbert Lang
Sevket Acar
Princeton University Conference on the Chemistry of Sulfides (1966)
T. A. Rickard
William Thomas Thompson
Smirnov, S. S.