@book{89453,
	author = {Roth, Alvin E. and Sotomayor, Marilda A. Oliveira.},
	title = {Two-sided matching  a study in game-theoretic modeling and analysis},
	publisher = {Cambridge University Press},
	year = {1990},
	series = {Econometric Society monographs},
	address = {Cambridge (Inglaterra)},
	url = {http://www.loc.gov/catdir/toc/cam026/89049114.html}
}