Brauer, R. W. (1995). Boundaries and frontiers in medieval muslim geography. Transactions of the American Philosophical Society 85,6.
Chicago Style aipamenaBrauer, Ralph W. "Boundaries and Frontiers in Medieval Muslim Geography." Transactions of the American Philosophical Society 85,6 1995.
MLA aipamenaBrauer, Ralph W. "Boundaries and Frontiers in Medieval Muslim Geography." Transactions of the American Philosophical Society 85,6 1995.
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