@misc{_XXII._1960,
 number={22},
 copyright={Public Domain},
 address={Kórnik},
 howpublished={online},
 year={1960},
 language={mul},
 title={XXII. Index Seminum Anno 1960 Collectorum Quae Instituti Arboretum Pro Mutua Commutatione Offer},
 type={Text},
 URL={http://www.rcin.org.pl/Content/186853/PDF/KOR001_168146_1960_XXII-Index-Seminum-.pdf},
 keywords={catalog of seeds, seeds of trees and shrubs, seed exchange, Kórnik Arboretum},
}