@misc{_Let’s_1948,
 volume={4},
 number={11/12},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1948},
 publisher={PROP},
 language={pol},
 type={Text},
 title={Let’s protect Our Indigenous Nature Ann. 4 no. 11/12 (1948)},
}