Dan Yakir, Arie Issar, Yoel Gat, Eilon Adar, Peter Trimborn and Joseph Lipp, “13C and 18O of wood from the Roman siege rampart in Masada, Israel (A.D. 70–73): Evidence for a less arid climate for the region,” Geochemica et Cosmochemica Acta 58:16 (1994), pp. 3,535–3,539.
