@book{27412,
	author = {Brown, George Granger, and Smith, Richard August, and University of Michigan.},
	title = {Molding sands of Michigan and their uses,},
	year = {1936]},
	address = {[Lansing,},
	note = {"Published as a part of the Annual report of the Geological survey division.  Publication 41, Geol. ser. 35}
}