@book{25112,
	author = {Marx, Christian William. and Schweitzer, P.},
	title = {The Heating value and proximate analyses of Missouri coals /},
	publisher = {University of Missouri,},
	year = {1911.},
	series = {Engineering series experiment station series ;},
	address = {Columbia, Mo. :},
	note = {The determined distribution of coals in Missouri / C.F. Marbut: p. 11-16.}
}