@misc{Library_of_the_Institute_of_Dendrology_of_the_Polish_Academy_of_Sciences_Bec-Bee_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={Bec-Bee},
 type={Text},
 URL={http://rcin.org.pl/Content/159751/PDF/KOR001_168252_1950-1996_Bec-Bee.pdf},
 keywords={alphabetical catalog, library catalog},
}