@misc{Boratyński_Adam_Clematis_1980-1984,
 author={Boratyński, Adam},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 howpublished={online},
 year={1980-1984},
 type={Image},
 title={Clematis alpina (L.) Mill.},
 URL={http://www.rcin.org.pl/Content/190844/PDF/KOR001_224159_1980-1984_Clematis-alp.pdf},
 keywords={botanical drawings, alpine clematis},
}