Organiscak, John A.
Effect of shear web depth on dust generation and methane liberation Organiscak, John A. - Washington Bureau of mines 1988
CONTROL DEL POLVO EN LA MINA
MAQUINAS Y HERRAMIENTAS
622.807
Effect of shear web depth on dust generation and methane liberation Organiscak, John A. - Washington Bureau of mines 1988
CONTROL DEL POLVO EN LA MINA
MAQUINAS Y HERRAMIENTAS
622.807