@misc{_Bulletin_1951,
 copyright={Public Domain},
 address={(Cracovie)},
 address={Kraków},
 howpublished={online},
 year={1951},
 publisher={(Imprimerie de l'Université)},
 publisher={Akademia Umiejętności},
 language={ger, fre, pol},
 title={Bulletin International de L'Académie des Sciences de Cracovie. Classe des Sciences Mathématiques et Naturelles. Sciences Naturelles, 1950, No 4-10},
 type={Text},
 URL={http://rcin.org.pl/Content/210973/PDF/WA488_248003_P192_Bulletin-Intern-1950-4-10.pdf},
 keywords={Czasopisma naukowe -- Polska -- 1900-1945. -- [KABA]},
}