@misc{Krupski_Piotr_Variability_1996,
 author={Krupski, Piotr and Giertych, Maciej},
 volume={41},
 editor={Polska Akademia Nauk. Instytut Dendrologii},
 copyright={Creative Commons Attribution BY-SA 4.0 license},
 address={Poznań},
 journal={Arboretum Kórnickie},
 howpublished={online},
 year={1996},
 publisher={Wydawnictwo Naukowe Uniwersytetu im. Adama Mickiewicza},
 language={mul},
 title={Variability of qualitative characters of Polish Norway spruce (Pice abies (L.) Karst.) provenances on four experimental areas in Poland},
 type={Text},
 keywords={Picea abies, genotype-environment interaction, environment variability},
}