Политехник: издание Санкт-Петербургского государственного политехнического университета. — Санкт-Петербург, 1926-.
№ 21 (2619). — Электрон. текстовые дан. (1 файл : 25,2 МБ). — Ленинград, 1980 (Санкт-Петербург, 2015). — Загл. с титул. экрана. — Цифровая копия печатной публикации 1980 года. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Газета. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/ed-1470_130012_0000544868pn_21.pdf>.
Period | Read | Copy | Open | Total | ||
---|---|---|---|---|---|---|
Year 2015 | Quarter 1 | 4 | 0 | 4 | 0 | 8 |
Quarter 2 | 20 | 0 | 7 | 0 | 27 | |
Quarter 3 | 3 | 0 | 2 | 0 | 5 | |
Quarter 4 | 7 | 0 | 1 | 0 | 8 | |
Year 2016 | Quarter 1 | 9 | 0 | 5 | 0 | 14 |
Quarter 2 | 5 | 0 | 9 | 0 | 14 | |
Quarter 3 | 2 | 0 | 2 | 0 | 4 | |
Quarter 4 | 6 | 0 | 9 | 0 | 15 | |
Year 2017 | Quarter 1 | 8 | 0 | 0 | 0 | 8 |
Quarter 2 | 2 | 0 | 1 | 0 | 3 | |
Quarter 3 | 5 | 0 | 8 | 0 | 13 | |
Quarter 4 | 7 | 0 | 2 | 0 | 9 | |
Year 2018 | Quarter 1 | 1 | 0 | 3 | 0 | 4 |
Quarter 2 | 3 | 0 | 5 | 0 | 8 | |
Quarter 3 | 3 | 0 | 1 | 0 | 4 | |
Quarter 4 | 2 | 0 | 5 | 0 | 7 | |
Year 2019 | Quarter 1 | 1 | 0 | 3 | 0 | 4 |
Quarter 2 | 4 | 0 | 2 | 0 | 6 | |
Quarter 3 | 2 | 0 | 2 | 0 | 4 | |
Quarter 4 | 5 | 0 | 5 | 0 | 10 | |
Year 2020 | Quarter 1 | 17 | 0 | 6 | 0 | 23 |
Quarter 2 | 5 | 0 | 0 | 0 | 5 | |
Quarter 3 | 6 | 0 | 0 | 0 | 6 | |
Quarter 4 | 5 | 0 | 5 | 0 | 10 | |
Year 2021 | Quarter 1 | 7 | 0 | 1 | 0 | 8 |
Quarter 2 | 7 | 0 | 4 | 0 | 11 | |
Quarter 3 | 4 | 0 | 7 | 0 | 11 | |
Quarter 4 | 4 | 0 | 3 | 0 | 7 | |
Year 2022 | Quarter 1 | 4 | 0 | 9 | 0 | 13 |
Quarter 2 | 4 | 0 | 4 | 0 | 8 | |
Quarter 3 | 4 | 0 | 5 | 0 | 9 | |
Quarter 4 | 10 | 0 | 3 | 0 | 13 | |
Year 2023 | Quarter 1 | 14 | 0 | 7 | 0 | 21 |
Quarter 2 | 3 | 0 | 6 | 0 | 9 | |
Quarter 3 | 5 | 0 | 11 | 0 | 16 | |
Quarter 4 | 4 | 0 | 33 | 0 | 37 | |
Year 2024 | Quarter 1 | 5 | 0 | 20 | 0 | 25 |
Quarter 2 | 10 | 0 | 17 | 0 | 27 | |
Quarter 3 | 7 | 0 | 17 | 0 | 24 | |
Quarter 4 | 15 | 0 | 19 | 0 | 34 | |
Year 2025 | Quarter 1 | 16 | 0 | 17 | 0 | 33 |
Quarter 2 | 11 | 0 | 5 | 0 | 16 | |
Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
Total | 266 | 0 | 275 | 0 | 541 |