Berry, D. R.; Billar, J. E.; Boghani, A. B.; Burnett, M.; Hoadley, D.; Maser, K. R.; Trent, R. H.
view article (1.0)
Development of Emergency Escape Systems Guidelines for Underground Metal and Nonmetal Mines. Final Report.
Foster-Miller Associates, Inc., Waltham, MA
Bureau of Mines, Washington, DC,
OFR 134-77,
May 1976,
336 p.