@misc{Poulton_Edward_Bagnall_(1856–1943)_Wild_1929,
 author={Poulton, Edward Bagnall (1856–1943)},
 copyright={Public Domain},
 address={[unknown]},
 address={(Edinburgh)},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={1929},
 publisher={[unknown]},
 publisher={(R. & R. Clark, Ltd)},
 language={eng},
 title={Wild birds and butterflies},
 type={Text},
 URL={http://rcin.org.pl/Content/140975/PDF/WA488_175354_19746_s1591.pdf},
 keywords={Birds - butterflies, Birds - butterflies - bird stomach examination, Birds - butterflies - wounded butterfly wings, Birds - butterflies - negative evidence value},
}