@book{14993,
	author = {Harris, Daniel C.,},
	title = {Quantitative chemical analysis /},
	publisher = {W.H. Freeman and Co.,},
	year = {c2003.},
	address = {New York :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0912/2002105823-d.html}
}