@misc{Chełmecki_Jerzy_Warsaw’s_2021,
 author={Chełmecki, Jerzy and Gawkowski, Robert},
 type={article},
 publisher={Jan Długosz University in Czestochowa},
 title={Warsaw’s contribution to the development of skiing in Poland in the interwar period},
 address={Częstochowa},
 year={2021},
 language={pol},
}