?url_ver=Z39.88-2004&rft_id=doi%3A10.1007%2Fs00024-019-02144-0&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mendecki%2C+Maciej+J.&rft.aulast=Mendecki&rft.aufirst=Maciej+J.&rft.date=2019&rft.issn=0033-4553&rft.atitle=Case+Studies+of+Seismic+Energy+Release+Ahead+of+Underground+Coal+Mining+Before+Strong+Tremors&rft.title=Pure+and+Applied+Geophysics&rft.genre=article