For citations:

Sergeeva A.S. Formation of spruce undergrowth depending on the parcel structure in mature pine-spruce stands of the Gatchina district of the Leningrad region. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2025;(255):55-68. (In Russ.) https://doi.org/10.21266/2079-4304.2025.255.55-68