@Book{RANME20161554815, title = "La Educaci\'{o}n F\'{\i}sica en la infancia", author = "Calatrave\~{n}o Valladares, Fernando, 1851-1916", publisher = "Madrid : Ricardo F\'{e}", editor = "Ricardo F\'{e}", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=57481", year = "1892", }