?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Zakaria%2C+N.&rft.aulast=Zakaria&rft.aufirst=N.&rft.isbn=9728865392%3B+9789728865399&rft.date=2006&rft.title=Simple+and+fast+ray+tracing+of+point-based+geometry&rft.genre=proceeding