@Book{BDG201890713937, title = "Calendario religioso para el a\~{n}o bisiesto de 1924", author = "Machuca Laguna, Bernardo", publisher = "Madrid : Librer\'{\i}a Religiosa Hern\'{a}ndez", editor = "Librer\'{\i}a Religiosa Hern\'{a}ndez", URL = "http://biblioteca.galiciana.gal/es/consulta/registro.do?id=491088", year = "1924", }