@book{210210,
	author = {Wolfrum, R�udiger. and ebrary, Inc.},
	title = {WTO--trade in services},
	publisher = {Martinus Nijhoff Publishers,},
	year = {2008.},
	series = {Max Planck commentaries on world trade law,},
	address = {Leiden ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10355192}
}