?url_ver=Z39.88-2004&rft_id=doi%3A10.13168%2FAGG.2013.0014&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Mutke%2C+Grzegorz&rft.aulast=Mutke&rft.aufirst=Grzegorz&rft.issue=2+(170&rft.volume=10&rft.date=June+2013&rft.issn=1214-9705&rft.atitle=Registrations+of+seismic+foci+under+mining+coal+seam+-+the+experience+of+Polish+mines&rft.title=Acta+Geodynamica+et+Geomaterialia&rft.pages=147-153&rft.genre=article