Никитина, Татьяна Александровна. Инженерная графика. Контрольно-измерительные материалы. Нанесение размеров на чертежах [Электронный ресурс]: учебное пособие / Т. А. Никитина, И. С. Смирнова; Санкт-Петербургский политехнический университет Петра Великого. — Электрон. текстовые дан. (1 файл : 532 КБ). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s17-43.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s17-43>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2017 | Quarter 1 | 19 | 0 | 0 | 0 | 19 | 
| Quarter 2 | 11 | 0 | 0 | 0 | 11 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 10 | 0 | 0 | 0 | 10 | |
| Year 2018 | Quarter 1 | 14 | 0 | 0 | 0 | 14 | 
| Quarter 2 | 12 | 0 | 0 | 0 | 12 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| Year 2019 | Quarter 1 | 2 | 0 | 0 | 0 | 2 | 
| Quarter 2 | 4 | 0 | 0 | 0 | 4 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2020 | Quarter 1 | 14 | 0 | 0 | 0 | 14 | 
| Quarter 2 | 40 | 0 | 0 | 0 | 40 | |
| Quarter 3 | 18 | 0 | 0 | 0 | 18 | |
| Quarter 4 | 11 | 0 | 0 | 0 | 11 | |
| Year 2021 | Quarter 1 | 16 | 1 | 0 | 0 | 17 | 
| Quarter 2 | 170 | 3 | 0 | 0 | 173 | |
| Quarter 3 | 23 | 0 | 0 | 0 | 23 | |
| Quarter 4 | 18 | 0 | 0 | 0 | 18 | |
| Year 2022 | Quarter 1 | 19 | 0 | 0 | 0 | 19 | 
| Quarter 2 | 227 | 9 | 0 | 0 | 236 | |
| Quarter 3 | 23 | 0 | 0 | 0 | 23 | |
| Quarter 4 | 27 | 0 | 0 | 0 | 27 | |
| Year 2023 | Quarter 1 | 28 | 2 | 0 | 0 | 30 | 
| Quarter 2 | 66 | 0 | 0 | 0 | 66 | |
| Quarter 3 | 13 | 0 | 0 | 0 | 13 | |
| Quarter 4 | 11 | 0 | 0 | 0 | 11 | |
| Year 2024 | Quarter 1 | 6 | 0 | 0 | 0 | 6 | 
| Quarter 2 | 107 | 3 | 0 | 0 | 110 | |
| Quarter 3 | 21 | 0 | 0 | 0 | 21 | |
| Quarter 4 | 15 | 1 | 0 | 0 | 16 | |
| Year 2025 | Quarter 1 | 107 | 11 | 0 | 0 | 118 | 
| Quarter 2 | 216 | 5 | 0 | 0 | 221 | |
| Quarter 3 | 39 | 0 | 0 | 0 | 39 | |
| Quarter 4 | 17 | 1 | 0 | 0 | 18 | |
| Total | 1,346 | 36 | 0 | 0 | 1,382 | |
