@book{220613,
	author = {Lopez, Robert S. (Robert Sabatino), 1910-1985.},
	title = {The commercial revolution of the Middle Ages, 950-1350 / Robert S. Lopez.},
	address = {Cambridge : Cambridge University Press, 1976.},
	edition = {[1st ed.] reprinted / [with a new bibliographical chapter]},
	note = {First ed. originally published: Englewood Cliffs ; Hemel Hempstead : Prentice-Hall, 1971.}
}