@book{85763,
	author = {Bury, J. B.},
	title = {The Cambridge medieval history :},
	publisher = {University Prerss,},
	year = {1957.},
	address = {Cambridge : },
	edition = {2nd ed.},
	note = {Vol. 3 edited by H. M. Gwatkin, J. P. Whitney, J. R. Tanner, C. W. Previté-Orton;  v. 4-7 edited by J. R. Tanner, C. W. Previté-Orton, Z. N. Brooke;  v. 8 edited by C. W. Previté-Orton, Z. N. Brooke.}
}