@book{207249,
	author = {Ross, Sheldon M.},
	title = {Introducción a la estadística/Sheldon M. Ross},
	publisher = {Editorial Reverté, S.A.},
	year = {2007},
	series = {Departamento de Estadística e investigación Operativa.},
	address = {Barcelona, España},
	edition = {2a ed.},
	note = {Includes index}
}