?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Beck%2C+David&rft.aulast=Beck&rft.aufirst=David&rft.date=10+January+2009&rft.title=Controls+on+the+extent+of+mining+induced+seismicity&rft.genre=proceeding