@book{9290,
	author = {International Symposium on Isotope Separation. and Kistemaker, J. and Nederlandse Natuurkundige Vereniging.},
	title = {Proceedings of the International Symposium on Isotope Separation held in Amsterdam, April 23-27, 1957 /},
	publisher = {North-Holland Pub. Co.  :},
	year = {1958.},
	series = {Series in physics},
	address = {Amsterdam :},
	note = {"The Symposium was organized by: the Netherlands Physical Society in collaboration with the International Union of Pure and Applied Physics (IUPAP)"--T.p. verso.}
}