@book{3472,
	author = {Gredley, Ellen. and Hopkinson, A. and Canadian Library Association.},
	title = {Exchanging bibliographic data :},
	publisher = {Canadian Library Association ;},
	year = {1990.},
	address = {Ottawa :},
	url = {http://www.gbv.de/dms/hbz/toc/ht003550356.pdf}
}