@book{200261,
	author = {Calzada Arija, Amando.},
	title = {Educación física},
	publisher = {Gymnos},
	year = {1997.},
	series = {Colección Reforma},
	address = {Madrid},
	note = {Cover title : Educación secundaria , 1o y 2o E.S.O.}
}