@misc{Chałupka_Władysław_Flowering_1995,
 author={Chałupka, Władysław and Rożkowski, Roman},
 volume={40},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań},
 journal={Arboretum Kórnickie},
 howpublished={online},
 year={1995},
 publisher={Wydawnictwo Naukowe Uniwersytetu im. Adama Mickiewicza},
 language={mul},
 title={Flowering and mortality of grafts in 1993 in a Norway spruce (Picea abies (L.) Karst.) seed orchard in Kórnik},
 type={Text},
 URL={http://rcin.org.pl/Content/150987/PDF/KOR001_149310.pdf},
 keywords={Picea abies, cone production, female strobili variation, grafts mortality},
}