Effect of energy and impact direction on coal fragmentation

Author:	Voltz, Jon I.
Year:	1989
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9260
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9260
Subjects:	Blasting
	Blast effect
	Impact
Link:	https://hdl.handle.net/2027/mdp.39015078476937