@book{59702,
	author = {Light, Richard J. and Pillemer, David B., and ebrary, Inc.},
	title = {Summing up},
	publisher = {Harvard University Press,},
	year = {1984.},
	address = {Cambridge, MA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10318358}
}