The Madaba map centenary, 1897-1997 : travelling through the Byzantine Umayyad period : proceedings of the International Conference held in Amman, 7-9 April 1997 - Piccirillo, Michele, 1944-2008 O.F.M.,; Alliata, Eugenio, O.F.M (Studium Biblicum Franciscanum, 1999)