@misc{Cichocka_Elżbieta_(1938–_)_Mszyce_1970,
 author={Cichocka, Elżbieta (1938– )},
 volume={16},
 number={7},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Fragmenta Faunistica},
 howpublished={online},
 year={1970},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={rus},
 language={ger},
 type={Text},
 title={Mszyce (Homoptera, Aphidoidea) roślin sadowniczych Polski. 4. Gatunki występujące na gruszy},
 URL={http://rcin.org.pl/Content/42871/PDF/WA058_50628_P256-T16_Frag-Faun-Nr-7.pdf},
 keywords={Aphidoidea, aphid fauna, Hemiptera, hemipterans, insects, fruit culture, fruit crops, orchard, Pyrus, pear, Poland, economic aspect, economic importance, identification key, species biology, morphology, nomenclature, parasites},
}