@book{206919,
	author = {Keen, Michael. and Strand, Jon. and International Monetary Fund.},
	title = {Indirect taxes on international aviation},
	publisher = {International Monetary Fund,},
	year = {c2006.},
	series = {IMF working paper ;},
	address = {[Washington, D.C.?] :},
	note = {At head of title: Fiscal Affairs Department.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10380692}
}