@book{4286,
	author = {Engh, T. A. and Simensen, Christian J.},
	title = {Principles of metal refining /},
	publisher = {Oxford University Press,},
	year = {1992.},
	address = {Oxford ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0606/92005869-d.html}
}