@book{65760,
	author = {Verdera Server, Rafael.},
	title = {Derecho de contratos :},
	publisher = {Aranzadi,},
	year = {2009.},
	address = {Cizur Menor (Navarra) :},
	url = {http://swbplus.bsz-bw.de/bsz313216533inh.htm}
}