Шейх, У.Д. — Расчет индуктивностей и рабочих характеристик линейных синхронных двигателей для высокоскоростного наземного транспорта [Электронный ресурс]: Автореф. дис... канд. техн. наук: 05.09.01 / У.Д. Шейх; Санкт-Петербургский государственный электротехнический университет «ЛЭТИ» им. В.И. Ульянова (Ленина). — Электрон. текстовые дан. (1 файл : 418 Кб). — Санкт-Петербург, 2003. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Защищена при СПбГПУ. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/519.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2012 | Quarter 1 | 1 | 0 | 1 | 0 | 2 |
| Quarter 2 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 3 | 6 | 0 | 5 | 0 | 11 | |
| Quarter 4 | 2 | 0 | 10 | 0 | 12 | |
| Year 2013 | Quarter 1 | 2 | 0 | 4 | 0 | 6 |
| Quarter 2 | 8 | 0 | 2 | 0 | 10 | |
| Quarter 3 | 3 | 0 | 0 | 0 | 3 | |
| Quarter 4 | 2 | 0 | 2 | 0 | 4 | |
| Year 2014 | Quarter 1 | 4 | 0 | 1 | 0 | 5 |
| Quarter 2 | 1 | 0 | 3 | 0 | 4 | |
| Quarter 3 | 5 | 0 | 2 | 0 | 7 | |
| Quarter 4 | 7 | 0 | 4 | 0 | 11 | |
| Year 2015 | Quarter 1 | 11 | 0 | 1 | 0 | 12 |
| Quarter 2 | 13 | 0 | 13 | 0 | 26 | |
| Quarter 3 | 11 | 0 | 5 | 0 | 16 | |
| Quarter 4 | 8 | 0 | 8 | 0 | 16 | |
| Year 2016 | Quarter 1 | 8 | 0 | 9 | 0 | 17 |
| Quarter 2 | 13 | 0 | 6 | 0 | 19 | |
| Quarter 3 | 14 | 0 | 0 | 0 | 14 | |
| Quarter 4 | 11 | 0 | 5 | 0 | 16 | |
| Year 2017 | Quarter 1 | 7 | 0 | 3 | 0 | 10 |
| Quarter 2 | 7 | 0 | 6 | 0 | 13 | |
| Quarter 3 | 10 | 0 | 7 | 0 | 17 | |
| Quarter 4 | 8 | 0 | 10 | 0 | 18 | |
| Year 2018 | Quarter 1 | 4 | 0 | 6 | 0 | 10 |
| Quarter 2 | 6 | 0 | 13 | 0 | 19 | |
| Quarter 3 | 7 | 0 | 4 | 0 | 11 | |
| Quarter 4 | 3 | 0 | 6 | 0 | 9 | |
| Year 2019 | Quarter 1 | 2 | 0 | 7 | 0 | 9 |
| Quarter 2 | 13 | 0 | 14 | 0 | 27 | |
| Quarter 3 | 6 | 0 | 9 | 0 | 15 | |
| Quarter 4 | 1 | 0 | 9 | 0 | 10 | |
| Year 2020 | Quarter 1 | 6 | 0 | 16 | 0 | 22 |
| Quarter 2 | 10 | 0 | 1 | 0 | 11 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 4 | 0 | 12 | 0 | 16 | |
| Year 2021 | Quarter 1 | 5 | 0 | 6 | 0 | 11 |
| Quarter 2 | 8 | 0 | 6 | 0 | 14 | |
| Quarter 3 | 4 | 0 | 9 | 0 | 13 | |
| Quarter 4 | 9 | 0 | 4 | 0 | 13 | |
| Year 2022 | Quarter 1 | 3 | 0 | 9 | 0 | 12 |
| Quarter 2 | 5 | 0 | 13 | 0 | 18 | |
| Quarter 3 | 6 | 0 | 11 | 0 | 17 | |
| Quarter 4 | 21 | 0 | 10 | 0 | 31 | |
| Year 2023 | Quarter 1 | 6 | 0 | 14 | 0 | 20 |
| Quarter 2 | 5 | 0 | 11 | 0 | 16 | |
| Quarter 3 | 4 | 0 | 8 | 0 | 12 | |
| Quarter 4 | 10 | 0 | 14 | 0 | 24 | |
| Year 2024 | Quarter 1 | 3 | 0 | 17 | 0 | 20 |
| Quarter 2 | 9 | 0 | 28 | 0 | 37 | |
| Quarter 3 | 8 | 0 | 21 | 0 | 29 | |
| Quarter 4 | 13 | 0 | 13 | 0 | 26 | |
| Year 2025 | Quarter 1 | 36 | 0 | 17 | 0 | 53 |
| Quarter 2 | 6 | 0 | 4 | 0 | 10 | |
| Total | 397 | 0 | 424 | 0 | 821 | |