Бабенко, Л.А. Электродинамика и распространение радиоволн. Основные уравнения электродинамики. Статические и стационарные поля [Электронный ресурс]: конспект лекций. Ч.1 / Л. А. Бабенко; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 582 Кб). — СПб., 2006. — 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/1196.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2012 | Quarter 1 | 1 | 0 | 2 | 0 | 3 |
| Quarter 2 | 5 | 0 | 9 | 0 | 14 | |
| Quarter 3 | 3 | 0 | 1 | 0 | 4 | |
| Quarter 4 | 5 | 0 | 97 | 0 | 102 | |
| Year 2013 | Quarter 1 | 8 | 0 | 106 | 0 | 114 |
| Quarter 2 | 29 | 0 | 34 | 0 | 63 | |
| Quarter 3 | 12 | 0 | 2 | 0 | 14 | |
| Quarter 4 | 10 | 0 | 6 | 0 | 16 | |
| Year 2014 | Quarter 1 | 8 | 0 | 8 | 0 | 16 |
| Quarter 2 | 9 | 0 | 8 | 0 | 17 | |
| Quarter 3 | 8 | 0 | 2 | 0 | 10 | |
| Quarter 4 | 7 | 0 | 8 | 0 | 15 | |
| Year 2015 | Quarter 1 | 14 | 0 | 31 | 0 | 45 |
| Quarter 2 | 16 | 0 | 27 | 0 | 43 | |
| Quarter 3 | 14 | 0 | 16 | 0 | 30 | |
| Quarter 4 | 22 | 0 | 12 | 0 | 34 | |
| Year 2016 | Quarter 1 | 11 | 0 | 13 | 0 | 24 |
| Quarter 2 | 17 | 0 | 4 | 0 | 21 | |
| Quarter 3 | 9 | 0 | 2 | 0 | 11 | |
| Quarter 4 | 13 | 0 | 10 | 0 | 23 | |
| Year 2017 | Quarter 1 | 11 | 0 | 2 | 0 | 13 |
| Quarter 2 | 6 | 0 | 4 | 0 | 10 | |
| Quarter 3 | 8 | 0 | 3 | 0 | 11 | |
| Quarter 4 | 11 | 0 | 8 | 0 | 19 | |
| Year 2018 | Quarter 1 | 4 | 0 | 12 | 0 | 16 |
| Quarter 2 | 7 | 0 | 35 | 0 | 42 | |
| Quarter 3 | 17 | 0 | 27 | 0 | 44 | |
| Quarter 4 | 3 | 0 | 18 | 0 | 21 | |
| Year 2019 | Quarter 1 | 5 | 0 | 19 | 0 | 24 |
| Quarter 2 | 10 | 0 | 36 | 0 | 46 | |
| Quarter 3 | 7 | 0 | 42 | 0 | 49 | |
| Quarter 4 | 1 | 0 | 39 | 0 | 40 | |
| Year 2020 | Quarter 1 | 9 | 0 | 24 | 0 | 33 |
| Quarter 2 | 21 | 0 | 2 | 0 | 23 | |
| Quarter 3 | 20 | 0 | 0 | 0 | 20 | |
| Quarter 4 | 10 | 0 | 42 | 0 | 52 | |
| Year 2021 | Quarter 1 | 9 | 0 | 86 | 0 | 95 |
| Quarter 2 | 5 | 0 | 114 | 0 | 119 | |
| Quarter 3 | 21 | 0 | 90 | 0 | 111 | |
| Quarter 4 | 10 | 0 | 60 | 0 | 70 | |
| Year 2022 | Quarter 1 | 15 | 0 | 63 | 0 | 78 |
| Quarter 2 | 5 | 0 | 46 | 0 | 51 | |
| Quarter 3 | 22 | 0 | 77 | 0 | 99 | |
| Quarter 4 | 51 | 0 | 138 | 0 | 189 | |
| Year 2023 | Quarter 1 | 17 | 0 | 206 | 0 | 223 |
| Quarter 2 | 8 | 0 | 188 | 0 | 196 | |
| Quarter 3 | 5 | 0 | 127 | 0 | 132 | |
| Quarter 4 | 13 | 0 | 142 | 0 | 155 | |
| Year 2024 | Quarter 1 | 5 | 0 | 136 | 0 | 141 |
| Quarter 2 | 18 | 0 | 200 | 0 | 218 | |
| Quarter 3 | 14 | 0 | 155 | 0 | 169 | |
| Quarter 4 | 5 | 0 | 43 | 0 | 48 | |
| Total | 594 | 0 | 2,582 | 0 | 3,176 | |