?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Lindahl%2C+David&rft.aulast=Lindahl&rft.aufirst=David&rft.date=6+May+2009&rft.title=eXtensible+Catalog+Project+Update+and+Interoperability+with+Ex+Libris+Products+&rft.genre=proceeding