@Article{591174,
     author = "Włodzimierz Godlewski",
     title = "Archbishop Georgius of Dongola : Socio-Political Change in the Kongdom of Makuria in the Second Half of the 11th Century",
     year =  2013,
     volume =  22,
     number =  ,
     journal =  Polish Archaeology in the Mediterranean,
     pages =  s. 663-677,
    }