@book{44590,
	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 = {921004}
}