@book{15253,
	author = {Pecsok, Robert L.},
	title = {Modern methods of chemical analysis /},
	publisher = {Wiley,},
	year = {c1976.},
	address = {New York :},
	edition = {2d ed.},
	note = {Edition for 1968 by R. L. Pecsok and L. D. Shields.}
}