@Book{RANME20161246024, title = "La educaci\'{o}n f\'{\i}sica en la escuela", author = "Decref Ruiz, Joaqu\'{\i}n, 1864-1939", publisher = "Madrid : [s.n]", editor = "[s.n]", series = "(Conferencias de extensi\'{o}n de cultura m\'{e}dica)", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=26602", year = "1917", }