Hartner, Willy (1938), "The Pseudoplanetary Nodes of the Moon's Orbit in Hindu and Islamic Iconographies: A Contribution to the History of Ancient and Medieval Astrology", Ars Islamica, 5 (2), पपृ॰ 112–154, JSTOR4520926
Berzin, Alexander (1987), "An Introduction to Tibetan Astronomy and Astrology", The Tibet Journal, 12 (1), पपृ॰ 17–28, JSTOR43300228