Fedorov, M. P. — Utilization of the world's potential water resources by hydropower installations [Electronic resource] / M.P. Fedorov, G. A. Pretro // Hydrotechnical Construction. – New York. – 1993. – Volume 27. №8. — P. 435-443. — Загл. с титул. экрана. — Электрон. версия печ. публикации 1993 г. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Acrobat Reader 5.0. — <URL:http://elib.spbstu.ru/dl/007381.pdf>. — <URL:https://link.springer.com/article/10.1007/BF01545135>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2021 | Quarter 1 | 0 | 0 | 0 | 1 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 1 | 1 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2022 | Quarter 1 | 0 | 0 | 0 | 1 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 2 | 2 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2023 | Quarter 1 | 0 | 0 | 0 | 1 | 1 |
| Quarter 2 | 0 | 0 | 0 | 12 | 12 | |
| Quarter 3 | 0 | 0 | 0 | 19 | 19 | |
| Quarter 4 | 0 | 0 | 0 | 7 | 7 | |
| Year 2024 | Quarter 1 | 0 | 0 | 0 | 6 | 6 |
| Quarter 2 | 0 | 0 | 0 | 4 | 4 | |
| Quarter 3 | 0 | 0 | 0 | 19 | 19 | |
| Quarter 4 | 0 | 0 | 0 | 12 | 12 | |
| Year 2025 | Quarter 1 | 0 | 0 | 0 | 3 | 3 |
| Total | 0 | 0 | 0 | 88 | 88 | |