References
- Volkwein , J. C. , Ruggieri , S. K. and McGlothlin , C. 1985 . Exhaust Ventilation of Deep Cuts Using a Continuous Mining Machine. BuMines RI 8992 Pittsburgh, PA : Bureau of Mines .
- Volkwein , J. C. , Halfinger , G. and Thimons , E. D. 1985 . “ Extended Advance of Continuous Miner Successfully Ventilated with a Scrubber in a Blowing Section. ” . In 2nd U.S. Mine Ventilation Symposium, pp. 741-745 Edited by: Moussett-Jones , P. and Balkema , A.A. Rotterdam/Boston