@misc{Ernst_Marcin_(1869–1930)_O_1903,
 author={Ernst, Marcin (1869–1930)},
 copyright={Public Domain},
 address={[Warszawa]},
 howpublished={online},
 year={1903},
 publisher={[s. n.]},
 publisher={(Druk. I. Kaczanowskiego)},
 language={pol},
 title={O matomanach w astronomii},
 type={Text},
 URL={http://rcin.org.pl/Content/16065/PDF/WA004_3404_P11805_Ernst-O-matomanach-w_o.pdf},
 keywords={astronomical literature, pseudoscience},
}