Khalidi, L., Lewis, K. and Gratuze, B. (2012) “New perspectives on regional and interregional obsidian circulation in prehistoric and early historic Arabia”, Proceedings of the Seminar for Arabian Studies, 42, pp. 143–165. Available at: https://archaeopresspublishing.com/ojs/index.php/PSAS/article/view/1613 (Accessed: 19 December 2025).