@book{159218,
	author = {Katz, James Everett. and ebrary, Inc.},
	title = {Perpetual contact},
	publisher = {Cambridge University Press,},
	year = {2002.},
	address = {Cambridge, UK ;},
	note = {"Most papers herein were first presented at a workshop convened at Rutgers University, New Brunswick, December 9-10, 1999"--Pref.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10030950}
}