@book{41850,
	author = {Knorr, Klaus, and Woodrow Wilson School of Public and International Affairs.},
	title = {The international system :},
	publisher = {Princeton University Press,},
	year = {1961 [Printing 1965]},
	address = {Princeton :},
	note = {A revision of papers "first presented at a Symposium on International Relations Theory ... sponsored by the Center of International Studies and held in Princeton in September 1960."}
}