1.
Stereńczak K, Będkowski K. Assessment of the Scots pine (Pinus sylvestris L.) crowns density based on multispectral images obtained by unmanned aerial vehicle. EQ [Internet]. 2013 Jul. 17 [cited 2024 Jul. 18];17:89 -. Available from: https://apcz.umk.pl/EQ/article/view/ecoq-2013-0019