@misc{Penczak_Tadeusz_(1936–_)_Three-spined_1964,
 author={Penczak, Tadeusz (1936– )},
 volume={22},
 editor={Muzeum i Instytut Zoologii Polskiej Akademii Nauk},
 number={20},
 copyright={Rights Reserved - Free Access},
 journal={Annales Zoologici},
 address={Warszawa},
 howpublished={online},
 year={1964},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={pol},
 language={rus},
 type={Text},
 title={Three-spined stickleback from Iceland - Gasterosteus aculeatus islandicus SAUVAGE = Ciernik z Islandii - Gasterosteus aculeatus islandicus SAUVAGE},
 URL={http://www.rcin.org.pl/Content/57141/PDF/WA058_1831_P255-T22_Annal-Zool-nr-20.pdf},
 keywords={Poland, zoology, periodicals},
}