?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Moln%C3%A1r+B%C3%A9la&rft.aulast=Moln%C3%A1r&rft.aufirst=B%C3%A9la&rft.volume=17&rft.issn=0365-8066&rft.title=Acta+mineralogica-petrographica&rft.pages=39-52&rft.atitle=Changes+in+area+and+directions+of+stream+erosion+in+the+eastern+part+of+the+Hungarian+basin+(Great+Plain)+during+the+pliocene+and+pleistocene&rft.date=1965&rft.issue=1&rft.genre=article