@book{15543,
	author = {Day, R. A. and Underwood, A. L.},
	title = {Quantitative analysis /},
	publisher = {Prentice-Hall,},
	year = {1967.},
	series = {Prentice-Hall chemistry series},
	address = {Englewood Cliffs, N.J. :},
	edition = {2d ed.},
	note = {Includes index.}
}