@misc{_XXXIV._1973,
 number={34},
 copyright={Public Domain},
 address={Kórnik},
 howpublished={online},
 year={1973},
 language={mul},
 title={XXXIV. Index Seminum Anno 1972 Collectorum Quae Instituti Arboretum Pro Mutua Commutatione Offer},
 type={Text},
 URL={http://www.rcin.org.pl/Content/186877/PDF/KOR001_168156_1973_XXXIV-Index-Seminum.pdf},
 keywords={catalog of seeds, seeds of trees and shrubs, seed exchange, Kórnik Arboretum},
}