by Wallace W. Roepke
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Bit ignition potential with worn carbide...
Bureau of Mines coal cutting technology ...
Coal cutting forces and primary dust gen...
Computer program to relate dust generati...
Effect of asymmetric wear of point attac...
Effects of water on coal cutting forces ...
Evaluation of moderately high-pressure w...
Large-scale laboratory drag cutter exper...
Determination of bit forces encountered ...
Teoria procesu roboczego frezujących or...
Water-jet-assisted drag bit cutting in m...