V.L. Ménage, Review of Speros Vryonis, Jr. The decline of medieval Hellenism in Asia Minor and the process of islamization from the eleventh through the fifteenth century, Berkeley, 1971; Bulletin of the School of Oriental and African Studies (University of London) 36:3 (1973), pp. 659–661. at JSTOR (registreerimisega); vaata ka Erich Schilbach, "Byzantinische Metrologie"
