?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Mark&rft.aulast=Dehmlow&rft.au=Dehmlow%2C+Mark&rft.title=Extending+the+OPAC%3A+Integrating+WorldCat%2C+Maps%2C+and+More+into+ALEPH+&rft.date=1+August+2008&rft.genre=proceeding