@book{817,
	author = {Krugman, Paul R. and Obstfeld, Maurice.},
	title = {International economics :},
	publisher = {Scott, Foresman,},
	year = {�1988.},
	address = {Glenview, Ill. :},
	note = {Includes index.},
	url = {http://www.gbv.de/dms/bowker/toc/9780673397331.pdf}
}