Probability of resistive spark ignition caused by very low currents

Author:	Cawley, James C.
Year:	1987
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9114
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9114
Subjects:	Mining machinery--Electric equipment--Safety measures
	Mine gases--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078479493