@book{7715,
	author = {Azorín, Francisco and Sánchez Crespo, José Luis},
	title = {Métodos y aplicaciones del muestreo},
	publisher = {Alianza Editorial},
	year = {1986},
	series = {Alianza universidad Textos},
	address = {Madrid},
	note = {Anexos en p. 367-388}
}