00981nam0-22003011i-450-99000549558040332119990530000549558FED01000549558(Aleph)000549558FED0100054955819990530f19001997km-y0itay50------baitay-------001yyByzantiumThe social basis of decline in the eleventh centurySperos VryonisReprint of the ed. 1959IndianapolisThe Bobbs-Merrill Company[s.d.]P. 160-17528 cm<<The >>Bobbs-Merrill reprint series in European HistoryEstratto da: Greek, Roman, and Byzantine Studies, Vol.II, No. 2, 1959Vryonis,Speros<1928- >157038ITUNINARICAUNIMARCBK990005495580403321ST.MED.MOD. 1362 (26)ST.MED.MOD. 3417FLFBCFLFBCByzantium475930UNINA