@misc{Keffermüller_Maria_(_–2011)_Kilka_1957,
 author={Keffermüller, Maria ( –2011)},
 volume={7},
 editor={Polska Akademia Nauk. Instytut Zoologiczny},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 number={9},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Fragmenta Faunistica},
 howpublished={online},
 year={1957},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={rus},
 language={eng},
 type={Text},
 title={Kilka rzadkich w Polsce gatunków jętek (Ephemeroptera) = Nekotorye bolee redke vidy podenok iz Pol'ši (Ephemeroptera)},
 keywords={new species to the Polish fauna, Poland, insects, Insecta, shadflies, mayflies, Ephemeroptera, Western Pomerania in Poland, Great Poland, Greater Poland, larvae, rare species},
}