00593nam a22002174a 450000100060000003500200000600300090002600500170003500800410005204000350009304100080012804400070013610000150014324500740015826400560023230000170028865000150030565000230032065300190034365300130036228151  a(Koha2011)63807AR-ReUNN20260702134943.0240315s1955    fr                  fre d  aAR-ReUNNbspacAR-ReUNNeaacr20 afre  afr1 aFrolow, A.10aRecherches sur la dèviation de la IVa. croisade vers Constantinople 1aParis : bPresses Universitaires de France, c1955.  a83 páginas 4aEdad Media 4aHistoria Bizantina  aImperio Romano  aCruzadas