Романов, Евгений Викторович. Технологический процесс механической обработки втулки [Электронный ресурс]: дипломный проект / Е. В. Романов; Санкт-Петербургский политехнический университет Петра Великого, Институт металлургии, машиностроения и транспорта, Технологические процессы и оборудование автоматизированных машиностроительных производств. — Электрон. текстовые дан. (1 файл : 2,17 МБ). — Санкт-Петербург, 2014. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/6317.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2015 | Quarter 4 | 27 | 0 | 12 | 0 | 39 |
| Year 2016 | Quarter 1 | 32 | 0 | 16 | 0 | 48 |
| Quarter 2 | 21 | 0 | 54 | 0 | 75 | |
| Quarter 3 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 4 | 9 | 0 | 8 | 0 | 17 | |
| Year 2017 | Quarter 1 | 3 | 1 | 9 | 0 | 13 |
| Quarter 2 | 16 | 0 | 46 | 0 | 62 | |
| Quarter 3 | 9 | 0 | 38 | 0 | 47 | |
| Quarter 4 | 10 | 0 | 8 | 0 | 18 | |
| Year 2018 | Quarter 1 | 3 | 0 | 20 | 0 | 23 |
| Quarter 2 | 6 | 0 | 30 | 0 | 36 | |
| Quarter 3 | 6 | 0 | 18 | 0 | 24 | |
| Quarter 4 | 14 | 0 | 14 | 0 | 28 | |
| Year 2019 | Quarter 1 | 7 | 0 | 5 | 0 | 12 |
| Quarter 2 | 5 | 0 | 15 | 0 | 20 | |
| Quarter 3 | 4 | 0 | 3 | 0 | 7 | |
| Quarter 4 | 4 | 0 | 8 | 0 | 12 | |
| Year 2020 | Quarter 1 | 14 | 0 | 14 | 0 | 28 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2021 | Quarter 1 | 0 | 0 | 1 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| 2022 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2023 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2024 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| Year 2025 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| Total | 201 | 1 | 324 | 0 | 526 | |