Tunneling : A practical treatise

von Prelini, Charles
Veröffentlicht 1901

High Yield of Carbon Fiber Precursor Pitch from Low Severity Direct Coal Liquefaction of Powder River Basin Coal

von Hill, Charles S.
Veröffentlicht in International Pittsburgh Coal Conference (38. : 2021 : Online) Clean coal-based energy/fuels and the environment ; Volume 1 of 2 (2022)