@misc{Batorowicz_Zdzisław_Propozycja,
 author={Batorowicz, Zdzisław and Nalewajko, Jacek},
 howpublished={online},
 title={Propozycja planu materiału nauczania "Polska w Europie".},
 title={Suggestions concerning a project of geography teaching materials on "Poland in Europe".},
}