@book{50120,
	author = {Kugel, James L.},
	title = {The ladder of Jacob},
	publisher = {Princeton Univ. Press,},
	year = {c2006.},
	address = {Princeton, N.J. :},
	url = {http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=350052}
}