@book{34813,
	author = {Kawa, Walter.},
	title = {Agglomeration studies in the low-pressure hydrogenation of coal in a fluidized bed /},
	publisher = {U.S. G.P.O.,},
	year = {1959.},
	series = {Bulletin / Bureau of Mines ;},
	address = {Washington, D.C. :}
}