@article{LanajayLamarca:3109,
      author        = "Lanaja y Lamarca, Pedro, Herederos de",
      title         = "{Obsevantiae, Consuetudinesque regni Aragonum, in usu
                       communiter habitae}",
      year          = "1664",
      note          = "Escudo xil. de Aragón en la portada y en colofón.",
}