Родионов, Вячеслав Адольфович. Принципы построения ЗРС "Волхов М6" [Электронный ресурс]: учебное пособие / В. А. Родионов, С. В. Маковей; Санкт-Петербургский политехнический университет Петра Великого. — Электрон. текстовые дан. (1 файл : 4,82 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2018. — Загл. с титул. экрана. — Электронная копия печатной публикации 2018 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/i18-120.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/i18-120>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2018 | Quarter 2 | 1 | 0 | 0 | 0 | 1 |
| Quarter 3 | 44 | 6 | 0 | 0 | 50 | |
| Quarter 4 | 40 | 4 | 0 | 0 | 44 | |
| Year 2019 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 2 | 0 | 0 | 0 | 2 | |
| Quarter 3 | 42 | 7 | 0 | 0 | 49 | |
| Quarter 4 | 24 | 0 | 0 | 0 | 24 | |
| Year 2020 | Quarter 1 | 21 | 3 | 0 | 0 | 24 |
| Quarter 2 | 50 | 1 | 0 | 0 | 51 | |
| Quarter 3 | 32 | 0 | 0 | 0 | 32 | |
| Quarter 4 | 15 | 2 | 0 | 0 | 17 | |
| Year 2021 | Quarter 1 | 9 | 2 | 0 | 0 | 11 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 2 | 0 | 0 | 0 | 2 | |
| Quarter 4 | 4 | 0 | 0 | 0 | 4 | |
| Year 2022 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 3 | 0 | 0 | 0 | 3 | |
| Quarter 4 | 2 | 0 | 0 | 0 | 2 | |
| Year 2023 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 3 | 0 | 0 | 0 | 3 | |
| Year 2024 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2025 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Total | 298 | 25 | 0 | 0 | 323 | |