van Dalen, Benno, and Yvonne Dold-Samplonius. 2002. “Islamic and Chinese Astronomy under the Mongols: A Little-Known Case of Transmission”. In From China to Paris: 2000 Years Transmission of Mathematical Ideas (Proceedings of a Conference Held in Bellagio, Italy, May 8-12, 2000), 327-56. Stuttgart: Steiner.