?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Rudzinski%2C+Lukasz&rft.aulast=Rudzinski&rft.aufirst=Lukasz&rft.date=10+January+2009&rft.title=An+application+of+the+Double+%E2%80%93+Difference+relocation+technique+to+the+mining+induced+seismic+events+at+polish+copper+mines&rft.genre=proceeding