?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Mark&rft.aulast=Ehlert&rft.au=Ehlert%2C+Mark&rft.title=Walking+with+RDA&rft.date=October+2013&rft.genre=proceeding