Van Dalen, B.. Books I and IV of Kūshyār Ibn Labbān's Jāmi' Zīj: An Arabic Astronomical Handbook by an Eleventh-century Iranian Scholar. (doctoral Dissertation), Mathematical Institute, University of Utrecht, 2006.also Obtainable Online from the Digital Archive. no. Volume 29, OpenEdition, May 2008, doi:10.4000/abstractairanica.30802.