@misc{Świętorzecki_Bolesław_(1876–1938)_Wilk:_1926,
 author={Świętorzecki, Bolesław (1876–1938)},
 copyright={Public Domain},
 address={Warszawa},
 howpublished={online},
 year={1926},
 publisher={Myśliwska Spółka Wydawnicza},
 language={pol},
 title={Wilk: monografja},
 keywords={Wilk, Canis lupus},
}