@book{178557,
	author = {Contreras Jordán, Onofre R.},
	title = {Didáctica de la Educación Física},
	publisher = {INDE},
	year = {1998.},
	series = {Colección La Educación Fisica en Reforma.},
	address = {Barcelona},
	note = {Includes bibliographical references (p. 313-322)}
}