Electromagnetic noise in Robena No.4 Coal Mine

Author:	Bensema, W. D.
Additional Authors:	Kanda, Motohisa,, Adams, John W.,
Year:	1974
Document Type:	NBSA
Issuing Agency:	Electromagnetics Division, Institute for Basic Standards, National Bureau of Standards,
SUDOC:	C 13.46:654
Series:	U.S. Bureau of Standards NBS technical note ;
Report Number:	654
Subjects:	Mine communication systems
	Mine safety
Links:	https://hdl.handle.net/2027/mdp.39015095042969
	https://hdl.handle.net/2027/uiug.30112105086562