?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Julia%2C+J.&rft.aulast=Julia&rft.aufirst=J.&rft.date=10+January+2009&rft.title=Source+Mechanisms+of+Mine+Related+Seismicity&rft.genre=proceeding