Выписка из протокола № 18 Заседания Совета С.-Петербургского Политехнического института, от 1 сентября 1907 года. § "2." / С.-Петербургский Политехнический институт, Совет. — Санкт-Петербург, 1907 (Санкт-Петербург, 2019). — 1 файл : 17,3 Мб. — Загл. с титул. экрана. — Цифровая копия печатной публикации 1907 г. — Доступ по паролю из сети Интернет (чтение). — <URL:http://elib.spbstu.ru/dl/2/z19-52.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/z19-52>. — DOI 10.18720/SPBPU/2/z19-52. — Текст: электронный
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2019 | Quarter 4 | November | 1 | 0 | 0 | 0 | 1 |
| December | 1 | 0 | 0 | 0 | 1 | ||
| Year 2020 | Quarter 1 | January | 4 | 0 | 0 | 0 | 4 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 2 | April | 6 | 0 | 0 | 0 | 6 | |
| May | 1 | 0 | 0 | 0 | 1 | ||
| June | 6 | 0 | 0 | 0 | 6 | ||
| Quarter 3 | July | 4 | 0 | 0 | 0 | 4 | |
| August | 2 | 0 | 0 | 0 | 2 | ||
| September | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 4 | October | 6 | 0 | 0 | 0 | 6 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2021 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
| May | 0 | 0 | 0 | 0 | 0 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 1 | 0 | 0 | 0 | 1 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Total | 36 | 0 | 0 | 0 | 36 | ||