@misc{Konopacka_Alicja_Obesogammarus_2002,
 author={Konopacka, Alicja and Jażdżewski, Krzysztof (1938– ) and Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 volume={45},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Fragmenta Faunistica},
 howpublished={online},
 year={2002},
 publisher={Museum and Institute of Zoology, PAS},
 language={eng},
 abstract={Obesogammarus crassus, a new Ponto-Caspian gammarid species has been recorded in Poland in the deltaic Vistula system. Notes on its origin, places of acclimatization in Europe, as well as probable ways of invasion are presented. Since the majority of alien gammarid species is still poorly recognized, the authors include a simple key and figures allowing the identification of all Ponto-Caspian gammarid crustaceans recently appearing in Polish waters.},
 type={Text},
 title={Obesogammarus crassus (G. O. Sars, 1894) - one more Ponto-Caspian gammarid species in Polish waters},
 URL={http://www.rcin.org.pl/Content/54493/PDF/WA058_61123_P256-T45_Fragm-Faun-Nr-1.pdf},
 keywords={Obesogammarus crassus, Pontogammaridae, Dead Vistula, Amphipoda, amphipods, Crustacea, crustaceans, Poland, Vistula Lagoon, Vistula delta, alien species, identification key},
}