?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Aaron&rft.aulast=Bales&rft.au=Bales%2C+Aaron&rft.title=Enhancing+the+Primo+Interface+with+Custom+Tiles&rft.date=8+May+2015&rft.genre=proceeding