Schmidt, Conrad, and Stephanie Döpper. 2017. “The Development of Complexity at Third-Millennium BC Al-Khashbah, Sultanate of Oman: Results of the First Two Seasons, 2015 and 2016”. Proceedings of the Seminar for Arabian Studies 47 (June):215-27. https://archaeopresspublishing.com/ojs/index.php/PSAS/article/view/1232.