@Book{DGA20070172063, title = "Cast\'{a}n y el Derecho foral.", author = "GIMENO Y G\'{O}MEZ-LAFUENTE, Juan Luis", publisher = "Madrid : [s. n.]", editor = "[s. n.]", URL = "https://derechoaragones.aragon.es/es/consulta/registro.do?id=602166", year = "1989", }