Ласкин, Александр Степанович. Энергетические машины. Вибропрочность и устойчивость элементов турбомашин [Электронный ресурс]: учебное пособие / А. С. Ласкин, А. А. Себелев, Н. А. Забелин; Санкт-Петербургский политехнический университет Петра Великого, [Институт промышленного менеджмента, экономики и торговли]. — Электрон. текстовые дан. (1 файл : 5,86 Мб). — Санкт-Петербург: ПОЛИТЕХ-ПРЕСС, 2018. — Загл. с титул. экрана. — Электронная копия печатной публикации 2018 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/i18-291.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/i18-291>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2018 | Quarter 4 | December | 1 | 0 | 0 | 0 | 1 |
| Year 2019 | Quarter 1 | January | 2 | 1 | 0 | 0 | 3 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 1 | 0 | 0 | 0 | 1 | |
| 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 | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 2 | 0 | 0 | 0 | 2 | ||
| December | 6 | 3 | 0 | 0 | 9 | ||
| Year 2020 | Quarter 1 | January | 7 | 0 | 0 | 0 | 7 |
| February | 1 | 0 | 0 | 0 | 1 | ||
| March | 3 | 0 | 0 | 0 | 3 | ||
| Quarter 2 | April | 8 | 0 | 0 | 0 | 8 | |
| May | 8 | 0 | 0 | 0 | 8 | ||
| June | 7 | 1 | 0 | 0 | 8 | ||
| Quarter 3 | July | 3 | 0 | 0 | 0 | 3 | |
| August | 5 | 0 | 0 | 0 | 5 | ||
| September | 15 | 2 | 0 | 0 | 17 | ||
| Quarter 4 | October | 10 | 1 | 0 | 0 | 11 | |
| November | 7 | 0 | 0 | 0 | 7 | ||
| December | 24 | 4 | 0 | 0 | 28 | ||
| Year 2021 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 5 | 0 | 0 | 0 | 5 | ||
| Quarter 2 | April | 1 | 0 | 0 | 0 | 1 | |
| May | 8 | 0 | 0 | 0 | 8 | ||
| June | 13 | 1 | 0 | 0 | 14 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 8 | 0 | 0 | 0 | 8 | ||
| Quarter 4 | October | 5 | 0 | 0 | 0 | 5 | |
| November | 2 | 0 | 0 | 0 | 2 | ||
| December | 4 | 1 | 0 | 0 | 5 | ||
| Year 2022 | Quarter 1 | January | 1 | 1 | 0 | 0 | 2 |
| February | 1 | 1 | 0 | 0 | 2 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 1 | 0 | 0 | 0 | 1 | |
| May | 2 | 0 | 0 | 0 | 2 | ||
| June | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 12 | 2 | 0 | 0 | 14 | ||
| Quarter 4 | October | 7 | 4 | 0 | 0 | 11 | |
| November | 7 | 3 | 0 | 0 | 10 | ||
| December | 1 | 0 | 0 | 0 | 1 | ||
| Year 2023 | Quarter 1 | January | 1 | 0 | 0 | 0 | 1 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 2 | 1 | 0 | 0 | 3 | |
| May | 6 | 2 | 0 | 0 | 8 | ||
| June | 1 | 0 | 0 | 0 | 1 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 1 | 1 | 0 | 0 | 2 | ||
| September | 5 | 0 | 0 | 0 | 5 | ||
| Quarter 4 | October | 3 | 1 | 0 | 0 | 4 | |
| November | 3 | 1 | 0 | 0 | 4 | ||
| December | 20 | 2 | 0 | 0 | 22 | ||
| Year 2024 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 1 | 0 | 0 | 0 | 1 | ||
| Quarter 2 | April | 3 | 0 | 0 | 0 | 3 | |
| May | 3 | 2 | 0 | 0 | 5 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 2 | 1 | 0 | 0 | 3 | ||
| September | 4 | 1 | 0 | 0 | 5 | ||
| Total | 245 | 37 | 0 | 0 | 282 | ||