@mastersthesis {25999,
	title = {Part I A survey of coal preparation practice in the coal mining industry of Alberta. Part II Studies in fundamentals relating to the cleaning of fine coal},
	volume = {Chemical Engineering},
	year = {1949},
	note = {Alberta Research Council Theses 21},
	pages = {275},
	address = {University of Alberta},
	author = {Bridge, Allan C.}
}
