?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=.&rft.aulast=Winarti&rft.au=Winarti%2C+.&rft.date=22+October+2015&rft.title=IDENTIFICATION+OF+VOLCANIC+ROCKS+IN+IMOGIRI+YOGYAKARTA+BASED+ON+SUBSURFACE+GEOLOGIC+DATA&rft.genre=proceeding