For citations:
Cheng T., Gryazkin A.V., Kalaidzhyan E.R. Influence of tree density and crown closure on the species composition of raw materials in pine forests. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2025;(255):69-88. (In Russ.) https://doi.org/10.21266/2079-4304.2025.255.69-88










