@book{7756,
	author = {Butterfield, Herbert, and Wight, Martin.},
	title = {Diplomatic investigations:},
	publisher = {Allen & Unwin,},
	year = {1966.},
	address = {London,},
	note = {Contributors: Hedley Bull, Herbert Butterfield, Michael Howard, G.F. Hudson, Donald MacKinnon, Martin Wight.}
}