@book{45689,
	author = {Wiet, Gaston and International Commission for a History of the Scientific and Cultural Development of Mankind.},
	title = {The Great Medieval civilizations},
	publisher = {Published for the International Commission for a History of the Scientific and Cultural Development of Mankind by Harper & Row},
	year = {c1975.},
	series = {History of mankind, cultural and scientific development ; v. 3},
	address = {New York},
	note = {Includes index.}
}