POSPIESZYŃSKA, Aleksandra, KOPROWSKI, Marcin and PRZYBYLAK, Rajmund Krzysztof. Optical density of Scots pine wood and climatic conditions in Toruń, Poland. Bulletin of Geography. Physical Geography Series. Online. 17 December 2018. No. 15, pp. 41-52. [Accessed 18 July 2024]. DOI 10.2478/bgeo-2018-0014.