@book{161272,
	author = {Canalda Llobet, Anna and San Miquel Romero, Gloria.},
	title = {Educacion secundaria obligatoria :},
	publisher = {Paidotribo,},
	year = {1996.},
	series = {Coleccion Educacion Fisica & Ensenanza},
	address = {Barcelona :}
}