@book{56659,
	author = {Freedman, Daniel Z. and Van Proeyen, Antoine.},
	title = {Supergravity /},
	publisher = {Cambridge University Press,},
	year = {©2012.},
	address = {New York :},
	url = {http://assets.cambridge.org/97805211/94013/cover/9780521194013.jpg}
}