@misc{Hołyński_Roman_B._Absolute_7,
 author={Hołyński, Roman B.},
 volume={6},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Milanówek},
 journal={Procrustomachia},
 howpublished={online},
 year={7 III 2021},
 publisher={Uncensored Scientists Group ; Roman Hołyński},
 language={eng},
 title={Absolute length of third primary: an intriguing peculiarity of utterly useless metric},
 type={Text},
 URL={http://www.rcin.org.pl/Content/181710/PDF/WA058_216078_P6868_P.pdf},
 keywords={Aves, evolution, wing formulae, 3. primary},
}