?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Olszewska%2C+Dorota&rft.aulast=Olszewska&rft.aufirst=Dorota&rft.issue=3&rft.volume=52&rft.date=2004&rft.issn=1895-6572&rft.atitle=Application+of+the+horizontal+to+vertical+spectral+ratio+technique+for+estimating+the+site+characteristics+of+ground+motion+caused+by+mining+induced+events&rft.title=Acta+Geophysica&rft.pages=301-318&rft.genre=article