Citation:Biran M. Like a Mighty Wall: The Armies of the Qara Khitai. Jerusalem Studies in Arabic and Islam [Internet]. 2001 ;25:44-91. Available from: http://mongol.huji.ac.il/sites/default/files/21.%20like%20a%20mighty%20wall.pdfPublisher's VersionLast updated on 06/01/2016