Copeland, L., and F. Hours. “A Microlithic Flint Site in the Wadi Rum, Jordan, and a Review of the Epi-Paleolithic of Northern Arabia”. Proceedings of the Seminar for Arabian Studies, vol. 1, Aug. 1971, pp. 1-23, https://archaeopresspublishing.com/ojs/index.php/PSAS/article/view/358.