TY - BOOK AU - Bielicki,Richard J. AU - Kissell,Fred N. ED - United States. TI - Statistical analysis of mathene concentration fluctuations produced by imcomplete mixing of methane and air at a model coal mine working face T2 - Report of investigations PY - 1974///] CY - [Washington] PB - U.S. Dept. of the Interior, Bureau of Mines KW - Methane KW - Mine ventilation KW - Mine safety ER -