@misc{Pinowski_Jan_The_1962,
 author={Pinowski, Jan},
 volume={18 nowa seria},
 number={6},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1962},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={The results obtained in fifty years of bird preservation in the Netherlands},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/88100/PDF/KR038_109042_r1962-t18-no6_ChPO-Pinowski-48-51.pdf},
 keywords={Netherlands},
}