Samsó, JulioBerrani, Hamid2016-02-192016-02-1920051576-9372https://hdl.handle.net/2445/69643Abu Marwan Abd Allah ibn Khalaf al-Istiji was an astronomer and astrologer who flourished in Toledo and Cuenca in the second half of the eleventh century.80 p.application/pdfengcc-by-nc-nd (c) Samsó, Julio et al., 2005http://creativecommons.org/licenses/by-nc-nd/3.0/esAstronomia àrabAstrologia àrabHistòria de la ciènciaAl-AndalusArab astronomyArab astrologyHistory of sciencesAl-AndalusThe Epistle on Tasyir and the Projection of Rays by Abu Marwan al-Istijiinfo:eu-repo/semantics/article5396582016-02-19info:eu-repo/semantics/openAccess