@BOOK{ Book!D - 104991398,
AUTHOR = "\ Paul Stephenson",
TITLE = "Byzantium's Balkan Frontier a Political Study of the Northern Balkans, 900- 1204",
LIBRARY= "كتابخانه بنياد دايرة المعارف اسلامی",
SUBJECT = "",
URL = "/book/104991398/Byzantiums-Balkan-Frontier-a-Political-Study-of-t/"}