?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Gy%C3%B6rgy&rft.aulast=Vit%C3%A1lis&rft.au=+Vit%C3%A1lis+Gy%C3%B6rgy&rft.pages=157-166&rft.issn=0365-8066&rft.date=1968&rft.title=Acta+mineralogica-petrographica&rft.issue=2&rft.volume=18&rft.atitle=Examination+of+cement-industry+raw+materials+from+the+SW+B%C3%BCkk+mountains&rft.genre=article