TPR, T.EN, 2021 ПГС&ПВС, КЧХК 2021 MBNS CZ, 2020 MBNS EN, 2020 MBNS RU, 2019 Presentation MBNS – heaters AM-76, RU, 02-2022 Organisation chart MBNS, 2019 Full reference list 08-2023 Presentation MBNS, 08-2023