@misc{Chałupka_Władysław_Regulation_1985,
 author={Chałupka, Władysław},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Kórnik},
 howpublished={online},
 year={1985},
 publisher={Polska Akademia Nauk, Instytut Dendrologii},
 language={mul},
 type={Text},
 title={Regulation of flowering in seed orchards of scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.)},
 keywords={seed orchards of scots pine, seed orchards of Norway spruce, regulation of flowering},
}