@book{52154,
	author = {Marsilius and Gewirth, Alan},
	title = {Marsilius of Padua, the defender of peace.},
	publisher = {Columbia University Press},
	year = {1951-56.},
	series = {Records of civilization: sources and studies},
	address = {New York},
	note = {Vol. 1 published as Alan Gewirth's thesis - Columbia University.}
}