For citations:
Evstigneyev E.I., Grinenko E.V., Vasiliev A.V. Obtaining hydrogels of technical lignins. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2021;(235):270-291. (In Russ.) https://doi.org/10.21266/2079-4304.2021.235.274-295
Evstigneyev E.I., Grinenko E.V., Vasiliev A.V. Obtaining hydrogels of technical lignins. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2021;(235):270-291. (In Russ.) https://doi.org/10.21266/2079-4304.2021.235.274-295