Adamyan, Yu. E. High voltage technology. Laboratory course: textbook / Yu. E. Adamyan, S. I. Krivosheev, S. G. Magazinov; Peter the Great St. Petersburg Polytechnic University. — Saint-Petersburg, 2020. — 1 файл (1,36 Мб). — Загл. с титул. экрана. — Текст на англ. яз. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/s20-79.pdf>. — DOI 10.18720/SPBPU/2/s20-79. — Текст: электронный
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2020 | Quarter 2 | 22 | 0 | 0 | 0 | 22 |
| Quarter 3 | 36 | 1 | 3 | 0 | 40 | |
| Quarter 4 | 39 | 0 | 13 | 0 | 52 | |
| Year 2021 | Quarter 1 | 26 | 0 | 15 | 0 | 41 |
| Quarter 2 | 14 | 0 | 12 | 0 | 26 | |
| Quarter 3 | 19 | 0 | 26 | 0 | 45 | |
| Quarter 4 | 13 | 0 | 20 | 0 | 33 | |
| Year 2022 | Quarter 1 | 12 | 0 | 7 | 0 | 19 |
| Quarter 2 | 8 | 0 | 5 | 0 | 13 | |
| Quarter 3 | 14 | 0 | 7 | 0 | 21 | |
| Quarter 4 | 3 | 0 | 11 | 0 | 14 | |
| Year 2023 | Quarter 1 | 4 | 0 | 12 | 0 | 16 |
| Quarter 2 | 4 | 0 | 9 | 0 | 13 | |
| Quarter 3 | 9 | 0 | 9 | 0 | 18 | |
| Quarter 4 | 6 | 0 | 11 | 0 | 17 | |
| Year 2024 | Quarter 1 | 6 | 0 | 2 | 0 | 8 |
| Quarter 2 | 10 | 0 | 11 | 0 | 21 | |
| Quarter 3 | 9 | 0 | 10 | 0 | 19 | |
| Quarter 4 | 3 | 0 | 0 | 0 | 3 | |
| Total | 257 | 1 | 183 | 0 | 441 | |