Андрианова, Мария Юрьевна. Физико-химические основы природных и антропогенных процессов в техносфере [Электронный ресурс]: учебное пособие для вузов по направлению подготовки магистров "Техносферная безопасность" / М.Ю. Андрианова; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 4,86 Мб). — Санкт-Петербург, 2010. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2926.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2013 | Quarter 1 | 4 | 0 | 2 | 0 | 6 |
| Quarter 2 | 42 | 0 | 5 | 0 | 47 | |
| Quarter 3 | 19 | 0 | 6 | 0 | 25 | |
| Quarter 4 | 10 | 0 | 8 | 0 | 18 | |
| Year 2014 | Quarter 1 | 12 | 0 | 5 | 0 | 17 |
| Quarter 2 | 11 | 0 | 23 | 0 | 34 | |
| Quarter 3 | 12 | 0 | 4 | 0 | 16 | |
| Quarter 4 | 19 | 0 | 2 | 0 | 21 | |
| Year 2015 | Quarter 1 | 18 | 0 | 7 | 0 | 25 |
| Quarter 2 | 18 | 0 | 5 | 0 | 23 | |
| Quarter 3 | 14 | 0 | 6 | 0 | 20 | |
| Quarter 4 | 15 | 0 | 6 | 0 | 21 | |
| Year 2016 | Quarter 1 | 28 | 0 | 46 | 0 | 74 |
| Quarter 2 | 25 | 0 | 11 | 0 | 36 | |
| Quarter 3 | 15 | 0 | 17 | 0 | 32 | |
| Quarter 4 | 33 | 0 | 71 | 0 | 104 | |
| Year 2017 | Quarter 1 | 14 | 0 | 47 | 0 | 61 |
| Quarter 2 | 15 | 0 | 67 | 0 | 82 | |
| Quarter 3 | 12 | 0 | 35 | 0 | 47 | |
| Quarter 4 | 14 | 0 | 86 | 0 | 100 | |
| Year 2018 | Quarter 1 | 38 | 0 | 186 | 0 | 224 |
| Quarter 2 | 56 | 0 | 255 | 0 | 311 | |
| Quarter 3 | 24 | 0 | 132 | 0 | 156 | |
| Quarter 4 | 22 | 0 | 101 | 0 | 123 | |
| Year 2019 | Quarter 1 | 5 | 0 | 84 | 0 | 89 |
| Quarter 2 | 11 | 0 | 66 | 0 | 77 | |
| Quarter 3 | 29 | 0 | 102 | 0 | 131 | |
| Quarter 4 | 68 | 0 | 214 | 0 | 282 | |
| Year 2020 | Quarter 1 | 24 | 0 | 56 | 0 | 80 |
| Quarter 2 | 19 | 0 | 1 | 0 | 20 | |
| Quarter 3 | 37 | 0 | 5 | 0 | 42 | |
| Quarter 4 | 108 | 0 | 34 | 0 | 142 | |
| Year 2021 | Quarter 1 | 21 | 0 | 63 | 0 | 84 |
| Quarter 2 | 20 | 0 | 71 | 0 | 91 | |
| Quarter 3 | 33 | 0 | 75 | 0 | 108 | |
| Quarter 4 | 40 | 1 | 133 | 0 | 174 | |
| Year 2022 | Quarter 1 | 27 | 0 | 80 | 0 | 107 |
| Quarter 2 | 14 | 1 | 133 | 0 | 148 | |
| Quarter 3 | 22 | 0 | 83 | 0 | 105 | |
| Quarter 4 | 66 | 0 | 138 | 0 | 204 | |
| Year 2023 | Quarter 1 | 13 | 0 | 117 | 0 | 130 |
| Quarter 2 | 14 | 0 | 61 | 0 | 75 | |
| Quarter 3 | 13 | 0 | 66 | 0 | 79 | |
| Quarter 4 | 11 | 0 | 132 | 0 | 143 | |
| Year 2024 | Quarter 1 | 4 | 0 | 87 | 0 | 91 |
| Quarter 2 | 10 | 0 | 127 | 0 | 137 | |
| Quarter 3 | 13 | 0 | 48 | 0 | 61 | |
| Quarter 4 | 15 | 0 | 52 | 0 | 67 | |
| Year 2025 | Quarter 1 | 30 | 0 | 71 | 0 | 101 |
| Quarter 2 | 17 | 0 | 60 | 0 | 77 | |
| Quarter 3 | 8 | 0 | 7 | 0 | 15 | |
| Total | 1,182 | 2 | 3,299 | 0 | 4,483 | |