Семенов, Юрий Алексеевич. Колебания в машинах: учебное пособие. Ч. 2 / Ю. А. Семенов; Санкт-Петербургский государственный политехнический университет. — Санкт-Петербург: Изд-во СПбГПУ, 2004 (Санкт-Петербург, 2020). — 1 файл (2,97 Мб). — Загл. с титул. экрана. — Цифровая копия печатной публикации 2004 г. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/si20-1685.pdf>. — DOI 10.18720/SPBPU/2/si20-1685. — Текст: электронный
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2022 | Quarter 2 | May | 0 | 0 | 2 | 0 | 2 |
| 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 | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2023 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 2 | 0 | 1 | 0 | 3 | |
| May | 0 | 0 | 0 | 0 | 0 | ||
| June | 1 | 0 | 2 | 0 | 3 | ||
| 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 | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| 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 | 0 | 0 | 0 | 0 | 0 | |
| May | 0 | 0 | 0 | 0 | 0 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 1 | 0 | 1 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Total | 4 | 0 | 6 | 0 | 10 | ||