Санкт-Петербургский государственный политехнический университет. Научно-технические ведомости СПбГПУ. — Санкт-Петербург: Изд-во СПбГПУ, 1995-.
№ 4 (254). — Электрон. текстовые дан. (1 файл : 83,5 МБ), 2016. — 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/j17-163.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2017 | Quarter 2 | April | 8 | 0 | 8 | 0 | 16 |
| May | 14 | 0 | 28 | 0 | 42 | ||
| June | 0 | 0 | 3 | 0 | 3 | ||
| Quarter 3 | July | 3 | 0 | 6 | 0 | 9 | |
| August | 1 | 0 | 4 | 0 | 5 | ||
| September | 2 | 0 | 2 | 0 | 4 | ||
| Quarter 4 | October | 4 | 0 | 1 | 0 | 5 | |
| November | 3 | 0 | 1 | 0 | 4 | ||
| December | 5 | 0 | 1 | 0 | 6 | ||
| Year 2018 | Quarter 1 | January | 1 | 0 | 0 | 0 | 1 |
| February | 1 | 0 | 3 | 0 | 4 | ||
| March | 0 | 0 | 3 | 0 | 3 | ||
| Quarter 2 | April | 1 | 0 | 0 | 0 | 1 | |
| May | 2 | 0 | 8 | 0 | 10 | ||
| June | 2 | 0 | 2 | 0 | 4 | ||
| Quarter 3 | July | 2 | 0 | 2 | 0 | 4 | |
| August | 2 | 0 | 11 | 0 | 13 | ||
| September | 6 | 0 | 1 | 0 | 7 | ||
| Quarter 4 | October | 1 | 0 | 1 | 0 | 2 | |
| November | 1 | 0 | 3 | 0 | 4 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2019 | Quarter 1 | January | 3 | 0 | 1 | 0 | 4 |
| February | 1 | 0 | 1 | 0 | 2 | ||
| March | 2 | 0 | 1 | 0 | 3 | ||
| Quarter 2 | April | 0 | 0 | 1 | 0 | 1 | |
| May | 2 | 0 | 0 | 0 | 2 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 1 | 0 | 3 | 0 | 4 | |
| August | 0 | 0 | 14 | 0 | 14 | ||
| September | 2 | 0 | 1 | 0 | 3 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 8 | 0 | 8 | ||
| Year 2020 | Quarter 1 | January | 0 | 0 | 1 | 0 | 1 |
| February | 3 | 0 | 3 | 0 | 6 | ||
| March | 7 | 0 | 5 | 0 | 12 | ||
| Quarter 2 | April | 5 | 0 | 0 | 0 | 5 | |
| May | 1 | 0 | 1 | 0 | 2 | ||
| June | 3 | 0 | 1 | 0 | 4 | ||
| Quarter 3 | July | 2 | 0 | 1 | 0 | 3 | |
| August | 2 | 0 | 0 | 0 | 2 | ||
| September | 5 | 0 | 0 | 0 | 5 | ||
| Quarter 4 | October | 1 | 0 | 0 | 0 | 1 | |
| November | 2 | 0 | 12 | 0 | 14 | ||
| December | 5 | 0 | 15 | 0 | 20 | ||
| Year 2021 | Quarter 1 | January | 4 | 0 | 18 | 0 | 22 |
| February | 2 | 0 | 18 | 0 | 20 | ||
| March | 2 | 0 | 9 | 0 | 11 | ||
| Quarter 2 | April | 2 | 0 | 19 | 0 | 21 | |
| May | 1 | 0 | 24 | 0 | 25 | ||
| June | 9 | 0 | 16 | 0 | 25 | ||
| Quarter 3 | July | 5 | 0 | 26 | 0 | 31 | |
| August | 2 | 0 | 13 | 0 | 15 | ||
| September | 2 | 0 | 10 | 0 | 12 | ||
| Quarter 4 | October | 3 | 0 | 7 | 0 | 10 | |
| November | 7 | 0 | 4 | 0 | 11 | ||
| December | 2 | 0 | 1 | 0 | 3 | ||
| Year 2022 | Quarter 1 | January | 2 | 0 | 2 | 0 | 4 |
| February | 1 | 0 | 5 | 0 | 6 | ||
| March | 7 | 0 | 5 | 0 | 12 | ||
| Quarter 2 | April | 1 | 0 | 3 | 0 | 4 | |
| May | 6 | 0 | 3 | 0 | 9 | ||
| June | 2 | 0 | 6 | 0 | 8 | ||
| Quarter 3 | July | 5 | 0 | 2 | 0 | 7 | |
| August | 3 | 0 | 2 | 0 | 5 | ||
| September | 4 | 0 | 6 | 0 | 10 | ||
| Quarter 4 | October | 2 | 0 | 4 | 0 | 6 | |
| November | 7 | 0 | 5 | 0 | 12 | ||
| December | 14 | 0 | 6 | 0 | 20 | ||
| Year 2023 | Quarter 1 | January | 11 | 0 | 3 | 0 | 14 |
| February | 7 | 0 | 8 | 0 | 15 | ||
| March | 5 | 0 | 7 | 0 | 12 | ||
| Quarter 2 | April | 6 | 0 | 3 | 0 | 9 | |
| May | 5 | 0 | 0 | 0 | 5 | ||
| June | 7 | 0 | 0 | 0 | 7 | ||
| Quarter 3 | July | 2 | 0 | 0 | 0 | 2 | |
| August | 5 | 0 | 1 | 0 | 6 | ||
| September | 2 | 0 | 2 | 0 | 4 | ||
| Quarter 4 | October | 2 | 0 | 24 | 0 | 26 | |
| November | 4 | 0 | 30 | 0 | 34 | ||
| December | 1 | 0 | 33 | 0 | 34 | ||
| Year 2024 | Quarter 1 | January | 2 | 0 | 33 | 0 | 35 |
| February | 2 | 0 | 34 | 0 | 36 | ||
| March | 3 | 0 | 47 | 0 | 50 | ||
| Quarter 2 | April | 7 | 0 | 28 | 0 | 35 | |
| May | 6 | 0 | 6 | 0 | 12 | ||
| June | 8 | 0 | 20 | 0 | 28 | ||
| Quarter 3 | July | 5 | 0 | 8 | 0 | 13 | |
| August | 4 | 0 | 4 | 0 | 8 | ||
| September | 2 | 0 | 5 | 0 | 7 | ||
| Total | 297 | 0 | 667 | 0 | 964 | ||