@misc{Planecki_Jan_Szkoły_1931,
 author={Planecki, Jan},
 copyright={Public Domain},
 address={Kraków},
 howpublished={online},
 year={1931},
 publisher={Nakładem Autora},
 publisher={(Drukarnia Polska)},
 language={pol},
 type={Text},
 title={Szkoły selekcyjne},
 URL={http://www.rcin.org.pl/ifis/Content/24488/PDF/WA004_20994_T2476_Planecki-Szkoly-sele_o.pdf},
 keywords={project of educational reform (Poland - 1918-1939)},
}