@book{25687,
	author = {Pratt, Joseph Hyde,},
	title = {Zircon, monazite and other minerals used in the production of chemical compounds employed in the manufacture of lighting apparatus,},
	publisher = {Edwards & Broughton printing co.,},
	year = {1916.},
	series = {North Carolina. Geological and economic survey. Bulletin},
	address = {Raleigh, N.C.,}
}