Some haulage safety devices for use on grades, slopes, and inclined shafts
Autor Grove, G. W. Vydáno: 1942
Kniha
Physical and chemical properties of cokes made or used in Washington
Autor Yancey, H. F. Vydáno: 1939
Kniha
Thermodynamic properties of gypsum and its dehydration products
Autor Keleey, K. K. Vydáno: 1941
Kniha
Bureau of mines research on the hydrogenation and liquefaction of coal and lignite
Autor Fieldner, A. C. Vydáno: 1944
Kniha