@book{99169,
	author = {Kolthoff, I. M. and Laitinen, Herbert August},
	title = {pH and electro titrations},
	publisher = {J. Wiley & Sons, inc.},
	year = {1952.},
	address = {New York},
	edition = {2d enl. and rev. ed.},
	note = {Half-title: The colorimetric and potentiometric determination of pH. Electro titrations [which was the title of the first edition]}
}