@inbook{ MARTÍNEZ:465-466,

author = { JOSÉ MARTÍNEZ DELGADO } ,

title = { IBN BARUN, ISAAC (ABU IBRAHIM) BEN JOSEPH },

booktitle = { ENCYCLOPEDIA OF JEWS IN THE ISLAMIC WORLD },

publisher = { Brill },

pages = { 465 - 466 },

year = { 2009 },

}