// <I>Environment.<D>Technologies. Resources. Proceedings of the International Scientific and Practical Conference, 2023, No 3, p.363-369, DOI:10.17770/etr2023vol3.7318
(2023)
Petar Tsvyatkov; E. Yankov; L. Lazov;
E. Teirumnieks;
Erika Teirumnieka и др.