Чепарухин, Владимир Викторович. С. Ю. Витте - "инициатор создания и с Высочайшего соизволения устроитель" Санкт-Петербурского политехнического института [Электронный ресурс] / В. В. Чепарухин. — Электрон. текстовые дан. (1 файл : 1,65 Мб) // Научно-технические ведомости СПбГПУ. – Санкт-Петербург. – 2005. – Загл. с титул. экрана. — Электрон. версия печ. публикации 2005 г. — Доступ по паролю из сети Интернет (чтение). — Adobe Acrobat Reader 6.0. — <URL:http://elib.spbstu.ru/dl/1097.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2013 | Quarter 2 | April | 3 | 0 | 2 | 0 | 5 |
| May | 19 | 0 | 2 | 0 | 21 | ||
| June | 10 | 0 | 1 | 0 | 11 | ||
| Quarter 3 | July | 4 | 0 | 2 | 0 | 6 | |
| August | 8 | 0 | 3 | 0 | 11 | ||
| September | 3 | 0 | 4 | 0 | 7 | ||
| Quarter 4 | October | 3 | 0 | 1 | 0 | 4 | |
| November | 8 | 0 | 4 | 0 | 12 | ||
| December | 12 | 0 | 4 | 0 | 16 | ||
| Year 2014 | Quarter 1 | January | 5 | 0 | 5 | 0 | 10 |
| February | 5 | 0 | 2 | 0 | 7 | ||
| March | 13 | 0 | 3 | 0 | 16 | ||
| Quarter 2 | April | 12 | 0 | 10 | 0 | 22 | |
| May | 12 | 0 | 2 | 0 | 14 | ||
| June | 9 | 0 | 2 | 0 | 11 | ||
| Quarter 3 | July | 7 | 0 | 5 | 0 | 12 | |
| August | 7 | 0 | 7 | 0 | 14 | ||
| September | 12 | 0 | 2 | 0 | 14 | ||
| Quarter 4 | October | 8 | 0 | 7 | 0 | 15 | |
| November | 9 | 0 | 1 | 0 | 10 | ||
| December | 5 | 0 | 3 | 0 | 8 | ||
| Year 2015 | Quarter 1 | January | 7 | 0 | 5 | 0 | 12 |
| February | 3 | 0 | 0 | 0 | 3 | ||
| March | 6 | 0 | 2 | 0 | 8 | ||
| Quarter 2 | April | 6 | 0 | 1 | 0 | 7 | |
| May | 4 | 0 | 3 | 0 | 7 | ||
| June | 10 | 0 | 3 | 0 | 13 | ||
| Quarter 3 | July | 8 | 0 | 5 | 0 | 13 | |
| August | 5 | 0 | 2 | 0 | 7 | ||
| September | 9 | 0 | 4 | 0 | 13 | ||
| Quarter 4 | October | 5 | 0 | 4 | 0 | 9 | |
| November | 4 | 0 | 5 | 0 | 9 | ||
| December | 10 | 0 | 3 | 0 | 13 | ||
| Year 2016 | Quarter 1 | January | 12 | 0 | 3 | 0 | 15 |
| February | 8 | 0 | 3 | 0 | 11 | ||
| March | 8 | 0 | 7 | 0 | 15 | ||
| Quarter 2 | April | 12 | 0 | 3 | 0 | 15 | |
| May | 5 | 0 | 2 | 0 | 7 | ||
| June | 11 | 0 | 2 | 0 | 13 | ||
| Quarter 3 | July | 6 | 0 | 4 | 0 | 10 | |
| August | 4 | 0 | 1 | 0 | 5 | ||
| September | 8 | 0 | 2 | 0 | 10 | ||
| Quarter 4 | October | 5 | 0 | 10 | 0 | 15 | |
| November | 6 | 0 | 5 | 0 | 11 | ||
| December | 5 | 0 | 3 | 0 | 8 | ||
| Year 2017 | Quarter 1 | January | 9 | 0 | 1 | 0 | 10 |
| February | 5 | 0 | 0 | 0 | 5 | ||
| March | 9 | 0 | 2 | 0 | 11 | ||
| Quarter 2 | April | 1 | 0 | 1 | 0 | 2 | |
| May | 1 | 0 | 2 | 0 | 3 | ||
| June | 1 | 0 | 1 | 0 | 2 | ||
| Quarter 3 | July | 5 | 0 | 1 | 0 | 6 | |
| August | 2 | 0 | 3 | 0 | 5 | ||
| September | 3 | 0 | 1 | 0 | 4 | ||
| Quarter 4 | October | 3 | 0 | 2 | 0 | 5 | |
| November | 6 | 0 | 2 | 0 | 8 | ||
| December | 3 | 0 | 3 | 0 | 6 | ||
| Year 2018 | Quarter 1 | January | 8 | 0 | 3 | 0 | 11 |
| February | 6 | 0 | 1 | 0 | 7 | ||
| March | 6 | 0 | 3 | 0 | 9 | ||
| Quarter 2 | April | 5 | 0 | 1 | 0 | 6 | |
| May | 3 | 0 | 3 | 0 | 6 | ||
| June | 2 | 0 | 2 | 0 | 4 | ||
| Quarter 3 | July | 4 | 0 | 3 | 0 | 7 | |
| August | 4 | 0 | 2 | 0 | 6 | ||
| September | 4 | 0 | 0 | 0 | 4 | ||
| Quarter 4 | October | 11 | 0 | 3 | 0 | 14 | |
| November | 3 | 0 | 3 | 0 | 6 | ||
| December | 5 | 0 | 1 | 0 | 6 | ||
| Year 2019 | Quarter 1 | January | 4 | 0 | 3 | 0 | 7 |
| February | 2 | 0 | 3 | 0 | 5 | ||
| March | 6 | 0 | 5 | 0 | 11 | ||
| Quarter 2 | April | 0 | 0 | 1 | 0 | 1 | |
| May | 5 | 0 | 1 | 0 | 6 | ||
| June | 1 | 0 | 1 | 0 | 2 | ||
| Quarter 3 | July | 3 | 0 | 3 | 0 | 6 | |
| August | 3 | 0 | 1 | 0 | 4 | ||
| September | 3 | 0 | 2 | 0 | 5 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 1 | 0 | 1 | 0 | 2 | ||
| December | 0 | 0 | 2 | 0 | 2 | ||
| Year 2020 | Quarter 1 | January | 5 | 0 | 1 | 0 | 6 |
| February | 0 | 0 | 4 | 0 | 4 | ||
| March | 6 | 0 | 8 | 0 | 14 | ||
| Quarter 2 | April | 1 | 0 | 0 | 0 | 1 | |
| May | 4 | 0 | 0 | 0 | 4 | ||
| June | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 3 | July | 3 | 0 | 0 | 0 | 3 | |
| August | 1 | 0 | 0 | 0 | 1 | ||
| September | 6 | 0 | 0 | 0 | 6 | ||
| Quarter 4 | October | 5 | 0 | 1 | 0 | 6 | |
| November | 1 | 0 | 9 | 0 | 10 | ||
| December | 3 | 0 | 4 | 0 | 7 | ||
| Year 2021 | Quarter 1 | January | 0 | 0 | 1 | 0 | 1 |
| February | 3 | 0 | 1 | 0 | 4 | ||
| March | 1 | 0 | 3 | 0 | 4 | ||
| Quarter 2 | April | 3 | 0 | 1 | 0 | 4 | |
| May | 1 | 0 | 5 | 0 | 6 | ||
| June | 5 | 0 | 5 | 0 | 10 | ||
| Quarter 3 | July | 1 | 0 | 4 | 0 | 5 | |
| August | 6 | 0 | 2 | 0 | 8 | ||
| September | 0 | 0 | 2 | 0 | 2 | ||
| Quarter 4 | October | 3 | 0 | 4 | 0 | 7 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 5 | 0 | 1 | 0 | 6 | ||
| Year 2022 | Quarter 1 | January | 6 | 0 | 5 | 0 | 11 |
| February | 4 | 0 | 2 | 0 | 6 | ||
| March | 2 | 0 | 5 | 0 | 7 | ||
| Quarter 2 | April | 6 | 0 | 5 | 0 | 11 | |
| May | 5 | 0 | 2 | 0 | 7 | ||
| June | 0 | 0 | 3 | 0 | 3 | ||
| Quarter 3 | July | 5 | 0 | 4 | 0 | 9 | |
| August | 2 | 0 | 2 | 0 | 4 | ||
| September | 3 | 0 | 5 | 0 | 8 | ||
| Quarter 4 | October | 5 | 0 | 8 | 0 | 13 | |
| November | 7 | 0 | 4 | 0 | 11 | ||
| December | 3 | 0 | 4 | 0 | 7 | ||
| Year 2023 | Quarter 1 | January | 1 | 0 | 2 | 0 | 3 |
| February | 2 | 0 | 4 | 0 | 6 | ||
| March | 2 | 0 | 6 | 0 | 8 | ||
| Quarter 2 | April | 0 | 0 | 5 | 0 | 5 | |
| May | 5 | 1 | 5 | 0 | 11 | ||
| June | 6 | 0 | 4 | 0 | 10 | ||
| Quarter 3 | July | 1 | 0 | 4 | 0 | 5 | |
| August | 4 | 0 | 2 | 0 | 6 | ||
| September | 4 | 0 | 7 | 0 | 11 | ||
| Quarter 4 | October | 4 | 0 | 3 | 0 | 7 | |
| November | 7 | 0 | 8 | 0 | 15 | ||
| December | 4 | 0 | 5 | 0 | 9 | ||
| Year 2024 | Quarter 1 | January | 3 | 0 | 9 | 0 | 12 |
| February | 4 | 0 | 8 | 0 | 12 | ||
| March | 8 | 0 | 8 | 0 | 16 | ||
| Quarter 2 | April | 18 | 0 | 6 | 0 | 24 | |
| May | 9 | 0 | 13 | 0 | 22 | ||
| June | 6 | 0 | 9 | 0 | 15 | ||
| Quarter 3 | July | 7 | 0 | 2 | 0 | 9 | |
| August | 4 | 0 | 3 | 0 | 7 | ||
| September | 12 | 0 | 8 | 0 | 20 | ||
| Quarter 4 | October | 9 | 0 | 2 | 0 | 11 | |
| Total | 711 | 1 | 449 | 0 | 1,161 | ||