Mine environment and ventilation
Panigrahi D.C.(editor)
Mine environment and ventilation edited by D.C. Panigrahi - London Taylor and Francis 2001 - 546p.
905809233X
Mine ventilation, Mine safety
TN 301 / .M56
Mine environment and ventilation edited by D.C. Panigrahi - London Taylor and Francis 2001 - 546p.
905809233X
Mine ventilation, Mine safety
TN 301 / .M56