?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Kotrba%2C+Ellen&rft.aulast=Kotrba&rft.aufirst=Ellen&rft.date=29+October+2013&rft.title=Ex+Libris+and+Public+Libraries&rft.genre=proceeding