@book{6662, author = {Kunitzsch, Paul}, url = {http://bibnum.enc.sorbonne.fr/omeka/tires-a-part/12734313X}, title = {The Astronomer Abu 'L-Husayn Al-Sūfī and his Book on the Constellations}, address = {Frankfurt}, publisher = {Institut für Geschichte der Arabisch-Islamischen Wissenschaften}, year = {1986} }