Доронин, Александр Валерьевич. Исследование точности профилирования червячных фрез для нарезания шлицевых валов [Электронный ресурс]: магистерская диссертация: 15.04.05 / А. В. Доронин; Санкт-Петербургский политехнический университет Петра Великого, Институт металлургии, машиностроения и транспорта; науч. рук. Ю. М. Панкратов. — Электрон. текстовые дан. (1 файл : 2,08 МБ). — Санкт-Петербург, 2016. — 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/v17-780.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-780>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2017 | Quarter 1 | 11 | 0 | 7 | 0 | 18 |
| Quarter 2 | 6 | 0 | 17 | 0 | 23 | |
| Quarter 3 | 7 | 0 | 11 | 0 | 18 | |
| Quarter 4 | 5 | 0 | 11 | 0 | 16 | |
| Year 2018 | Quarter 1 | 8 | 0 | 21 | 0 | 29 |
| Quarter 2 | 5 | 0 | 51 | 0 | 56 | |
| Quarter 3 | 6 | 0 | 30 | 0 | 36 | |
| Quarter 4 | 1 | 0 | 13 | 0 | 14 | |
| Year 2019 | Quarter 1 | 3 | 0 | 18 | 0 | 21 |
| Quarter 2 | 7 | 0 | 19 | 0 | 26 | |
| Quarter 3 | 6 | 0 | 13 | 0 | 19 | |
| Quarter 4 | 0 | 0 | 26 | 0 | 26 | |
| Year 2020 | Quarter 1 | 3 | 0 | 30 | 0 | 33 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| 2021 | 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 2022 | Quarter 1 | 1 | 0 | 1 | 0 | 2 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 4 | 3 | 0 | 0 | 0 | 3 | |
| Year 2023 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| 2024 | 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 2025 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Total | 76 | 0 | 268 | 0 | 344 | |