?url_ver=Z39.88-2004&rft_id=doi%3A10.2478%2Fs11600-008-008-2&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Wiszniowski%2C+Jan&rft.aulast=Wiszniowski&rft.aufirst=Jan&rft.issue=2&rft.volume=56&rft.date=March+2008&rft.issn=1895-7455&rft.atitle=Differential+calibration+of+seismometers+for+measurement+of+rotation+and+strain&rft.title=Acta+Geophysica&rft.genre=article