The sulphur problem in burning coal

Author:	Barkley, J. F.
Year:	1928
Document Type:	USBM
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	C 22.5:436
Series:	Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number:	436
Subjects:	Coal
	Sulfur
Links:	https://hdl.handle.net/2027/uiug.30112070429797
	https://hdl.handle.net/2027/mdp.39015077316001