Зысин, Леонид Владимирович. Парогазовые и газотурбинные установки [Электронный ресурс]: [учебное пособие] / Л.В. Зысин; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 6,17 Мб). — Санкт-Петербург, 2010. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2966.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2013 | Quarter 1 | 3 | 0 | 1 | 0 | 4 |
| Quarter 2 | 63 | 0 | 196 | 0 | 259 | |
| Quarter 3 | 48 | 0 | 75 | 0 | 123 | |
| Quarter 4 | 26 | 0 | 37 | 0 | 63 | |
| Year 2014 | Quarter 1 | 43 | 0 | 32 | 0 | 75 |
| Quarter 2 | 53 | 0 | 118 | 0 | 171 | |
| Quarter 3 | 40 | 0 | 53 | 0 | 93 | |
| Quarter 4 | 31 | 0 | 48 | 0 | 79 | |
| Year 2015 | Quarter 1 | 24 | 0 | 21 | 0 | 45 |
| Quarter 2 | 31 | 0 | 25 | 0 | 56 | |
| Quarter 3 | 39 | 0 | 24 | 0 | 63 | |
| Quarter 4 | 40 | 0 | 31 | 0 | 71 | |
| Year 2016 | Quarter 1 | 37 | 0 | 49 | 0 | 86 |
| Quarter 2 | 28 | 0 | 43 | 0 | 71 | |
| Quarter 3 | 25 | 0 | 25 | 0 | 50 | |
| Quarter 4 | 25 | 0 | 204 | 0 | 229 | |
| Year 2017 | Quarter 1 | 55 | 0 | 834 | 0 | 889 |
| Quarter 2 | 110 | 0 | 2,513 | 0 | 2,623 | |
| Quarter 3 | 98 | 0 | 1,260 | 0 | 1,358 | |
| Quarter 4 | 70 | 0 | 1,604 | 0 | 1,674 | |
| Year 2018 | Quarter 1 | 101 | 0 | 1,115 | 0 | 1,216 |
| Quarter 2 | 54 | 0 | 1,725 | 0 | 1,779 | |
| Quarter 3 | 49 | 0 | 943 | 0 | 992 | |
| Quarter 4 | 47 | 0 | 1,051 | 0 | 1,098 | |
| Year 2019 | Quarter 1 | 45 | 0 | 1,139 | 0 | 1,184 |
| Quarter 2 | 20 | 0 | 1,655 | 0 | 1,675 | |
| Quarter 3 | 20 | 0 | 887 | 0 | 907 | |
| Quarter 4 | 24 | 0 | 2,836 | 0 | 2,860 | |
| Year 2020 | Quarter 1 | 34 | 0 | 82 | 0 | 116 |
| Quarter 2 | 75 | 0 | 12 | 0 | 87 | |
| Quarter 3 | 58 | 0 | 3 | 0 | 61 | |
| Quarter 4 | 50 | 1 | 376 | 0 | 427 | |
| Year 2021 | Quarter 1 | 45 | 0 | 1,564 | 0 | 1,609 |
| Quarter 2 | 53 | 1 | 2,029 | 0 | 2,083 | |
| Quarter 3 | 35 | 0 | 1,544 | 0 | 1,579 | |
| Quarter 4 | 34 | 0 | 2,207 | 0 | 2,241 | |
| Year 2022 | Quarter 1 | 44 | 1 | 1,974 | 0 | 2,019 |
| Quarter 2 | 43 | 1 | 2,132 | 0 | 2,176 | |
| Quarter 3 | 47 | 0 | 1,498 | 0 | 1,545 | |
| Quarter 4 | 43 | 0 | 1,899 | 0 | 1,942 | |
| Year 2023 | Quarter 1 | 46 | 0 | 2,087 | 0 | 2,133 |
| Quarter 2 | 25 | 0 | 2,076 | 0 | 2,101 | |
| Quarter 3 | 20 | 1 | 1,113 | 0 | 1,134 | |
| Quarter 4 | 21 | 0 | 1,879 | 0 | 1,900 | |
| Year 2024 | Quarter 1 | 34 | 1 | 2,439 | 0 | 2,474 |
| Quarter 2 | 76 | 1 | 2,982 | 0 | 3,059 | |
| Quarter 3 | 55 | 0 | 1,171 | 0 | 1,226 | |
| Quarter 4 | 145 | 0 | 2,566 | 0 | 2,711 | |
| Year 2025 | Quarter 1 | 71 | 0 | 2,361 | 0 | 2,432 |
| Quarter 2 | 160 | 1 | 3,088 | 0 | 3,249 | |
| Quarter 3 | 116 | 0 | 1,998 | 0 | 2,114 | |
| Quarter 4 | 161 | 0 | 2,856 | 0 | 3,017 | |
| Year 2026 | Quarter 1 | 79 | 1 | 2,146 | 0 | 2,226 |
| Quarter 2 | 135 | 1 | 3,043 | 0 | 3,179 | |
| Quarter 3 | 29 | 0 | 601 | 0 | 630 | |
| Total | 2,983 | 10 | 66,270 | 0 | 69,263 | |