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. 24, № 4 [Электронный ресурс]. — Электрон. текстовые дан. (1 файл : 27,0 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2018. — 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/j19-119.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2019 | Quarter 2 | May | 12 | 0 | 7 | 0 | 19 |
| June | 7 | 0 | 4 | 0 | 11 | ||
| Quarter 3 | July | 2 | 0 | 3 | 0 | 5 | |
| August | 2 | 0 | 4 | 0 | 6 | ||
| September | 4 | 0 | 4 | 0 | 8 | ||
| Quarter 4 | October | 2 | 0 | 1 | 0 | 3 | |
| November | 0 | 0 | 2 | 0 | 2 | ||
| December | 1 | 0 | 3 | 0 | 4 | ||
| Year 2020 | Quarter 1 | January | 0 | 0 | 4 | 0 | 4 |
| February | 0 | 0 | 2 | 0 | 2 | ||
| March | 7 | 0 | 5 | 0 | 12 | ||
| Quarter 2 | April | 2 | 0 | 0 | 0 | 2 | |
| May | 2 | 0 | 1 | 0 | 3 | ||
| June | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 3 | July | 2 | 0 | 0 | 0 | 2 | |
| August | 2 | 0 | 0 | 0 | 2 | ||
| September | 3 | 0 | 0 | 0 | 3 | ||
| Quarter 4 | October | 6 | 0 | 0 | 0 | 6 | |
| November | 3 | 0 | 6 | 0 | 9 | ||
| December | 1 | 0 | 10 | 0 | 11 | ||
| Year 2021 | Quarter 1 | January | 5 | 0 | 2 | 0 | 7 |
| February | 2 | 0 | 2 | 0 | 4 | ||
| March | 3 | 0 | 2 | 0 | 5 | ||
| Quarter 2 | April | 2 | 0 | 5 | 0 | 7 | |
| May | 3 | 0 | 13 | 0 | 16 | ||
| June | 8 | 0 | 11 | 0 | 19 | ||
| Quarter 3 | July | 3 | 0 | 6 | 0 | 9 | |
| August | 7 | 0 | 1 | 0 | 8 | ||
| September | 3 | 0 | 4 | 0 | 7 | ||
| Quarter 4 | October | 0 | 0 | 4 | 0 | 4 | |
| November | 4 | 0 | 5 | 0 | 9 | ||
| December | 2 | 0 | 1 | 0 | 3 | ||
| Year 2022 | Quarter 1 | January | 1 | 0 | 2 | 0 | 3 |
| February | 1 | 0 | 1 | 0 | 2 | ||
| March | 3 | 0 | 3 | 0 | 6 | ||
| Quarter 2 | April | 0 | 0 | 2 | 0 | 2 | |
| May | 1 | 0 | 5 | 0 | 6 | ||
| June | 2 | 0 | 1 | 0 | 3 | ||
| Quarter 3 | July | 6 | 0 | 2 | 0 | 8 | |
| August | 4 | 0 | 1 | 0 | 5 | ||
| September | 0 | 0 | 2 | 0 | 2 | ||
| Quarter 4 | October | 5 | 0 | 0 | 0 | 5 | |
| November | 7 | 0 | 1 | 0 | 8 | ||
| December | 7 | 0 | 0 | 0 | 7 | ||
| Year 2023 | Quarter 1 | January | 1 | 0 | 3 | 0 | 4 |
| February | 3 | 0 | 2 | 0 | 5 | ||
| March | 5 | 0 | 4 | 0 | 9 | ||
| Quarter 2 | April | 2 | 0 | 5 | 0 | 7 | |
| May | 8 | 0 | 1 | 0 | 9 | ||
| June | 4 | 0 | 7 | 0 | 11 | ||
| Quarter 3 | July | 4 | 0 | 2 | 0 | 6 | |
| August | 2 | 0 | 2 | 0 | 4 | ||
| September | 2 | 0 | 3 | 0 | 5 | ||
| Quarter 4 | October | 4 | 0 | 47 | 0 | 51 | |
| November | 3 | 0 | 47 | 0 | 50 | ||
| December | 2 | 0 | 45 | 0 | 47 | ||
| Year 2024 | Quarter 1 | January | 1 | 0 | 35 | 0 | 36 |
| February | 1 | 0 | 37 | 0 | 38 | ||
| March | 0 | 0 | 40 | 0 | 40 | ||
| Quarter 2 | April | 3 | 0 | 42 | 0 | 45 | |
| May | 6 | 0 | 43 | 0 | 49 | ||
| June | 4 | 0 | 39 | 0 | 43 | ||
| Quarter 3 | July | 5 | 0 | 27 | 0 | 32 | |
| August | 3 | 0 | 5 | 0 | 8 | ||
| September | 4 | 0 | 8 | 0 | 12 | ||
| Quarter 4 | October | 3 | 0 | 3 | 0 | 6 | |
| November | 2 | 0 | 2 | 0 | 4 | ||
| December | 1 | 0 | 1 | 0 | 2 | ||
| Year 2025 | Quarter 1 | January | 3 | 0 | 3 | 0 | 6 |
| February | 4 | 0 | 2 | 0 | 6 | ||
| March | 6 | 0 | 4 | 0 | 10 | ||
| Quarter 2 | April | 6 | 0 | 8 | 0 | 14 | |
| May | 16 | 0 | 10 | 0 | 26 | ||
| June | 9 | 0 | 8 | 0 | 17 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| Total | 256 | 0 | 617 | 0 | 873 | ||