?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Birkenmajer%2C+Krzysztof&rft.aulast=Birkenmajer&rft.aufirst=Krzysztof&rft.date=September+1960&rft.title=Geology+of+the+Pieniny+Klippen+Belt+of+Poland&rft.btitle=Geology+of+the+Pieniny+Klippen+Belt+of+Poland&rft.genre=bookitem