@book{61525,
	author = {Von Weizsacker, Ernst Unrich and Lovins, Amory B},
	title = {Factor four},
	publisher = {Droemer},
	year = {1995},
	address = {Munich},
	note = {This first draft is submitted for review and discussion to the club of Rome Review meeting at the Friedrich Stiftung in Bonn, 16/17 March, 1995}
}