A practical treatise on coal mining /
Andre, George Guillaume,
A practical treatise on coal mining / by George G. André - 2v, 84 hojas de lams
Ingeniería de minas
Minas de carbón
TN802 / A53
A practical treatise on coal mining / by George G. André - 2v, 84 hojas de lams
Ingeniería de minas
Minas de carbón
TN802 / A53