@book{15090,
	author = {Ketelaar, J. A. A.},
	title = {Chemical constitution :},
	publisher = {Elsevier Publishing,},
	year = {1958.},
	address = {Amsterdam ; New York :},
	edition = {2d rev. ed.},
	note = {Translation of De chemische binding, inleiding in de theoretische chemie.}
}