Научно-технические ведомости СПбПУ. Сер.: Естественные и инженерные науки = St. Petersburg polytechnic university journal of engineering science and technology / Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: Изд-во Политехн. ун-та, 2017-.
Т. 23, № 2. — Электрон. текстовые дан. (1 файл : 97,8 МБ), 2017. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/j17-374.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2017 | Quarter 4 | 5 | 0 | 6 | 0 | 11 |
| Year 2018 | Quarter 1 | 30 | 0 | 18 | 0 | 48 |
| Quarter 2 | 11 | 0 | 13 | 0 | 24 | |
| Quarter 3 | 11 | 0 | 4 | 0 | 15 | |
| Quarter 4 | 3 | 0 | 7 | 0 | 10 | |
| Year 2019 | Quarter 1 | 4 | 0 | 5 | 0 | 9 |
| Quarter 2 | 2 | 0 | 13 | 0 | 15 | |
| Quarter 3 | 3 | 0 | 13 | 0 | 16 | |
| Quarter 4 | 2 | 0 | 7 | 0 | 9 | |
| Year 2020 | Quarter 1 | 7 | 0 | 8 | 0 | 15 |
| Quarter 2 | 9 | 0 | 0 | 0 | 9 | |
| Quarter 3 | 17 | 0 | 0 | 0 | 17 | |
| Quarter 4 | 12 | 0 | 32 | 0 | 44 | |
| Year 2021 | Quarter 1 | 12 | 0 | 52 | 0 | 64 |
| Quarter 2 | 12 | 2 | 58 | 0 | 72 | |
| Quarter 3 | 13 | 0 | 34 | 0 | 47 | |
| Quarter 4 | 9 | 0 | 11 | 0 | 20 | |
| Year 2022 | Quarter 1 | 18 | 0 | 13 | 0 | 31 |
| Quarter 2 | 6 | 0 | 16 | 0 | 22 | |
| Quarter 3 | 14 | 0 | 7 | 0 | 21 | |
| Quarter 4 | 23 | 0 | 7 | 0 | 30 | |
| Year 2023 | Quarter 1 | 13 | 0 | 10 | 0 | 23 |
| Quarter 2 | 10 | 0 | 4 | 0 | 14 | |
| Quarter 3 | 3 | 0 | 6 | 0 | 9 | |
| Quarter 4 | 10 | 0 | 46 | 0 | 56 | |
| Year 2024 | Quarter 1 | 4 | 0 | 20 | 0 | 24 |
| Quarter 2 | 15 | 0 | 26 | 0 | 41 | |
| Quarter 3 | 13 | 0 | 33 | 0 | 46 | |
| Quarter 4 | 17 | 0 | 20 | 0 | 37 | |
| Year 2025 | Quarter 1 | 13 | 0 | 13 | 0 | 26 |
| Quarter 2 | 28 | 0 | 38 | 0 | 66 | |
| Quarter 3 | 48 | 0 | 72 | 0 | 120 | |
| Quarter 4 | 12 | 0 | 27 | 0 | 39 | |
| Total | 409 | 2 | 639 | 0 | 1,050 | |