@misc{_Let’s_1949,
 volume={5},
 number={7/8},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Let's protect Our Indigenous Nature},
 howpublished={online},
 year={1949},
 publisher={PROP},
 language={pol},
 title={Let’s protect Our Indigenous Nature Ann. 5 no. 7/8 (1949)},
 type={Text},
}