Политехник: издание Санкт-Петербургского государственного политехнического университета. — Санкт-Петербург, 1926-.
№ 9 (2607). — Электрон. текстовые дан. (1 файл : 25,2 МБ). — Ленинград, 1980 (Санкт-Петербург, 2015). — Загл. с титул. экрана. — Цифровая копия печатной публикации 1980 года. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Газета. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/ed-1458_130012_0000544868pn_09.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2015 | Quarter 1 | 8 | 0 | 5 | 0 | 13 |
| Quarter 2 | 14 | 0 | 3 | 0 | 17 | |
| Quarter 3 | 7 | 0 | 2 | 0 | 9 | |
| Quarter 4 | 19 | 0 | 12 | 0 | 31 | |
| Year 2016 | Quarter 1 | 5 | 0 | 8 | 0 | 13 |
| Quarter 2 | 6 | 0 | 3 | 0 | 9 | |
| Quarter 3 | 2 | 0 | 0 | 0 | 2 | |
| Quarter 4 | 5 | 0 | 7 | 0 | 12 | |
| Year 2017 | Quarter 1 | 5 | 0 | 1 | 0 | 6 |
| Quarter 2 | 4 | 0 | 5 | 0 | 9 | |
| Quarter 3 | 6 | 0 | 7 | 0 | 13 | |
| Quarter 4 | 5 | 0 | 3 | 0 | 8 | |
| Year 2018 | Quarter 1 | 2 | 0 | 5 | 0 | 7 |
| Quarter 2 | 2 | 0 | 5 | 0 | 7 | |
| Quarter 3 | 6 | 0 | 2 | 0 | 8 | |
| Quarter 4 | 5 | 0 | 2 | 0 | 7 | |
| Year 2019 | Quarter 1 | 4 | 0 | 2 | 0 | 6 |
| Quarter 2 | 5 | 0 | 2 | 0 | 7 | |
| Quarter 3 | 4 | 0 | 5 | 0 | 9 | |
| Quarter 4 | 2 | 0 | 0 | 0 | 2 | |
| Year 2020 | Quarter 1 | 8 | 0 | 3 | 0 | 11 |
| Quarter 2 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 3 | 4 | 0 | 0 | 0 | 4 | |
| Quarter 4 | 7 | 0 | 12 | 0 | 19 | |
| Year 2021 | Quarter 1 | 8 | 0 | 7 | 0 | 15 |
| Quarter 2 | 11 | 0 | 5 | 0 | 16 | |
| Quarter 3 | 9 | 0 | 7 | 0 | 16 | |
| Quarter 4 | 1 | 0 | 6 | 0 | 7 | |
| Year 2022 | Quarter 1 | 6 | 0 | 14 | 0 | 20 |
| Quarter 2 | 5 | 0 | 7 | 0 | 12 | |
| Quarter 3 | 5 | 0 | 3 | 0 | 8 | |
| Quarter 4 | 9 | 0 | 4 | 0 | 13 | |
| Year 2023 | Quarter 1 | 3 | 0 | 7 | 0 | 10 |
| Quarter 2 | 4 | 0 | 4 | 0 | 8 | |
| Quarter 3 | 6 | 0 | 10 | 0 | 16 | |
| Quarter 4 | 5 | 0 | 38 | 0 | 43 | |
| Year 2024 | Quarter 1 | 2 | 0 | 13 | 0 | 15 |
| Quarter 2 | 12 | 0 | 32 | 0 | 44 | |
| Quarter 3 | 8 | 0 | 19 | 0 | 27 | |
| Quarter 4 | 7 | 0 | 5 | 0 | 12 | |
| Year 2025 | Quarter 1 | 13 | 0 | 9 | 0 | 22 |
| Quarter 2 | 13 | 0 | 9 | 0 | 22 | |
| Quarter 3 | 26 | 0 | 18 | 0 | 44 | |
| Quarter 4 | 4 | 0 | 4 | 0 | 8 | |
| Total | 299 | 0 | 315 | 0 | 614 | |