Calcium sulphate retarders for Portland cement clinker

Author:	Berger, Ernest Elmer,
Year:	1929
Document Type:	USBM
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines :
SUDOC:	C 22.5:451
Series:	Technical paper / United States Department of Commerce, Bureau of Mines ;
Report Number:	451
Subjects:	Calcium sulfate
	Portland cement
Link:	https://hdl.handle.net/2027/mdp.39015078543322