@article {33969,
	title = {Study of rock properties of the coal seams and rock strata of the underground Silkstone project at Coal Valley of Luscar Ltd. },
	volume = {ERP/CRL 83-06(TR)},
	year = {1983},
	pages = {22},
	institution = {CANMET},
	author = {Das, B. and Kar, K. L.}
}
