A treatise on practical and theoretical :
Wilson, Eugene Benjamin 1857,
A treatise on practical and theoretical : Mine ventilation / By Eugene b. Wilson - 5 - vii, 141 páginas
Ventilación de minas
TN301 / W55 1904
A treatise on practical and theoretical : Mine ventilation / By Eugene b. Wilson - 5 - vii, 141 páginas
Ventilación de minas
TN301 / W55 1904