@misc{Krzanowski_Adam_How_1976,
 author={Krzanowski, Adam},
 volume={32},
 number={4},
 editor={Research Centre for the Protection of Nature of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1976},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={How should the water chestnut, Trapa natans, be protected?},
 type={Text},
 keywords={water chestnut, Trapa natans},
}