@book{58220,
	author = {Kagan, Jerome. and Snidman, Nancy C. and ebrary, Inc.},
	title = {The long shadow of temperament},
	publisher = {Belknap Press of Harvard University Press,},
	year = {2004.},
	address = {Cambridge, MA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10314313}
}