@misc{Ber_Andrzej_(1937–_)_O,
 author={Ber, Andrzej (1937– )},
 volume={49},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 title={O wieku fałdowań pod Dobrzyniem},
 type={Text},
 keywords={regional geology -- Poland, Dobrzyń on the Vistula, Lipno county, kujawsko-pomorskie voivodeship (Poland)},
}