U. Kurze
Cumbum N. Rangaraj
A. A. Skochinskiĭ
Dana M. Muir
Unknown Author
J. C. Volkwein
Grain Dust Control Seminar (1981 Saint Louis, Mo.)
Geoff Lunn
Mining Association of Canada
C. Schofield
Steven J. Page
V. V. Milokhov
Great Britain. Dust Tile Committee.
A. A. Kekin
Randall Herzberg