@misc{Library_of_the_Institute_of_Dendrology_of_the_Polish_Academy_of_Sciences_Berk-Berz_1950-1996, author={Library of the Institute of Dendrology of the Polish Academy of Sciences}, copyright={Public Domain}, howpublished={online}, year={1950-1996}, language={mul}, title={Berk-Berz}, type={Text}, URL={http://www.rcin.org.pl/Content/161720/PDF/KOR001_168259_1950-1996_Berk-Berz.pdf}, keywords={alphabetical catalog, library catalog}, }