@misc{Giertych_Maciej_Productivity_1991,
 author={Giertych, Maciej},
 volume={33},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań ; Warszawa},
 journal={Arboretum Kórnickie},
 howpublished={online},
 year={1991},
 publisher={Wydawnictwo Naukowe PWN},
 language={mul},
 title={Productivity of various Polish provenances of Norway spruce (Picea abies (L.) Karst.) as dependent on location and tree age},
 type={Text},
 URL={http://rcin.org.pl/Content/156775/PDF/KOR001_148819.pdf},
 keywords={Picea abies, Polish provenances of Norway spruce, genotype environment interaction, juvenile mature correlations},
}