@misc{Boratyński_Adam_Systematics_1980, author={Boratyński, Adam}, volume={8}, editor={Białobok, Stefan. Redaktor}, editor={Polska Akademia Nauk. Instytut Dendrologii}, copyright={Creative Commons Attribution BY-SA 4.0 license}, address={Warszawa-Poznań}, journal={Nasze drzewa leśne}, howpublished={online}, year={1980}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, type={Text}, title={Systematics and geographic distribution of alders}, URL={http://www.rcin.org.pl/Content/179051/PDF/KOR001_153995_1980_Systematyka-i-geogra.pdf}, keywords={alders, systematics, geographical distribution, Alnus Mill.}, }