Расчет многокольцевых трубных систем водоподведения и водоотведения [Электронный ресурс] / К.Е. Семина, Е.В. Варичева, Н.С. Бакановичус, С.В. Федоров. — (Секция "Энергетика"). — Электрон. текстовые дан. (1 файл : 109 Кб) // Материалы...26 ноября - 1 декабря 2001 года [Электронный ресурс] / Совет СПбГТУ по научно-исследовательской работе студентов; Под общ. ред. В.В. Глухова. – Санкт-Петербург. – 2002. – Инженерно-строительный факультет [Электронный ресурс]. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/001134.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2012 | Quarter 1 | 3 | 0 | 3 | 0 | 6 |
| Quarter 2 | 5 | 0 | 2 | 0 | 7 | |
| Quarter 3 | 1 | 0 | 3 | 0 | 4 | |
| Quarter 4 | 5 | 0 | 6 | 0 | 11 | |
| Year 2013 | Quarter 1 | 5 | 0 | 5 | 0 | 10 |
| Quarter 2 | 4 | 0 | 4 | 0 | 8 | |
| Quarter 3 | 21 | 0 | 11 | 0 | 32 | |
| Quarter 4 | 18 | 0 | 7 | 0 | 25 | |
| Year 2014 | Quarter 1 | 26 | 0 | 10 | 0 | 36 |
| Quarter 2 | 31 | 0 | 10 | 0 | 41 | |
| Quarter 3 | 31 | 0 | 6 | 0 | 37 | |
| Quarter 4 | 20 | 0 | 10 | 0 | 30 | |
| Year 2015 | Quarter 1 | 22 | 0 | 9 | 0 | 31 |
| Quarter 2 | 38 | 0 | 16 | 0 | 54 | |
| Quarter 3 | 16 | 0 | 11 | 0 | 27 | |
| Quarter 4 | 24 | 0 | 9 | 0 | 33 | |
| Year 2016 | Quarter 1 | 23 | 0 | 19 | 0 | 42 |
| Quarter 2 | 18 | 0 | 13 | 0 | 31 | |
| Quarter 3 | 18 | 0 | 11 | 0 | 29 | |
| Quarter 4 | 26 | 0 | 7 | 0 | 33 | |
| Year 2017 | Quarter 1 | 18 | 0 | 9 | 0 | 27 |
| Quarter 2 | 5 | 0 | 11 | 0 | 16 | |
| Quarter 3 | 7 | 0 | 8 | 0 | 15 | |
| Quarter 4 | 8 | 0 | 9 | 0 | 17 | |
| Year 2018 | Quarter 1 | 16 | 0 | 20 | 0 | 36 |
| Quarter 2 | 16 | 0 | 33 | 0 | 49 | |
| Quarter 3 | 9 | 0 | 11 | 0 | 20 | |
| Quarter 4 | 13 | 0 | 10 | 0 | 23 | |
| Year 2019 | Quarter 1 | 3 | 0 | 2 | 0 | 5 |
| Quarter 2 | 3 | 0 | 32 | 0 | 35 | |
| Quarter 3 | 4 | 0 | 19 | 0 | 23 | |
| Quarter 4 | 0 | 0 | 3 | 0 | 3 | |
| Year 2020 | Quarter 1 | 7 | 0 | 18 | 0 | 25 |
| Quarter 2 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 5 | 0 | 6 | 0 | 11 | |
| Year 2021 | Quarter 1 | 8 | 0 | 5 | 0 | 13 |
| Quarter 2 | 4 | 0 | 10 | 0 | 14 | |
| Quarter 3 | 3 | 0 | 14 | 0 | 17 | |
| Quarter 4 | 7 | 0 | 10 | 0 | 17 | |
| Year 2022 | Quarter 1 | 9 | 0 | 8 | 0 | 17 |
| Quarter 2 | 2 | 0 | 6 | 0 | 8 | |
| Quarter 3 | 13 | 0 | 5 | 0 | 18 | |
| Quarter 4 | 12 | 0 | 6 | 0 | 18 | |
| Year 2023 | Quarter 1 | 6 | 0 | 9 | 0 | 15 |
| Quarter 2 | 6 | 0 | 7 | 0 | 13 | |
| Quarter 3 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 4 | 11 | 0 | 9 | 0 | 20 | |
| Year 2024 | Quarter 1 | 5 | 0 | 15 | 0 | 20 |
| Quarter 2 | 17 | 0 | 14 | 0 | 31 | |
| Quarter 3 | 9 | 0 | 7 | 0 | 16 | |
| Total | 600 | 0 | 493 | 0 | 1,093 | |