?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Sammonds&rft.aufirst=P&rft.au=Sammonds%2C+P&rft.title=Geophysical+Research+Letters&rft.atitle=Evolution+of+microseismicity+during+frictional+sliding&rft.date=1+March+1998&rft.issue=5&rft.pages=699+-702&rft.volume=25&rft.issn=0094-8276&rft.genre=article