@misc{Urbanowiczówna_Kazimiera_Ameba,
 author={Urbanowiczówna, Kazimiera},
 copyright={Public Domain},
 howpublished={online},
 language={pol},
 type={Text},
 title={Ameba i wymoczek},
 URL={http://www.rcin.org.pl/Content/1839/PDF/WA488_2908_56_Urbanowiczwna-Ameba.pdf},
 keywords={Protozoa},
}