Чигарев, А.В. Неметаллические включения в сталях [Электронный ресурс] / А.В. Чигарев, В.А. Калмыков. — (Секция "Стали и сплавы"). — Электрон. текстовые дан. (1 файл : 82,7 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. – Факультет технологии и исследования материалов и физико-технический 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/001413.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2012 | Quarter 1 | 1 | 0 | 2 | 0 | 3 |
| Quarter 2 | 4 | 0 | 2 | 0 | 6 | |
| Quarter 3 | 3 | 0 | 1 | 0 | 4 | |
| Quarter 4 | 5 | 0 | 7 | 0 | 12 | |
| Year 2013 | Quarter 1 | 6 | 0 | 3 | 0 | 9 |
| Quarter 2 | 13 | 0 | 8 | 0 | 21 | |
| Quarter 3 | 18 | 0 | 9 | 0 | 27 | |
| Quarter 4 | 15 | 0 | 5 | 0 | 20 | |
| Year 2014 | Quarter 1 | 19 | 0 | 10 | 0 | 29 |
| Quarter 2 | 21 | 0 | 11 | 0 | 32 | |
| Quarter 3 | 20 | 0 | 9 | 0 | 29 | |
| Quarter 4 | 18 | 0 | 7 | 0 | 25 | |
| Year 2015 | Quarter 1 | 17 | 0 | 10 | 0 | 27 |
| Quarter 2 | 18 | 0 | 13 | 0 | 31 | |
| Quarter 3 | 22 | 0 | 8 | 0 | 30 | |
| Quarter 4 | 11 | 0 | 3 | 0 | 14 | |
| Year 2016 | Quarter 1 | 12 | 0 | 6 | 0 | 18 |
| Quarter 2 | 13 | 0 | 12 | 0 | 25 | |
| Quarter 3 | 9 | 0 | 6 | 0 | 15 | |
| Quarter 4 | 14 | 0 | 9 | 0 | 23 | |
| Year 2017 | Quarter 1 | 8 | 0 | 6 | 0 | 14 |
| Quarter 2 | 5 | 0 | 9 | 0 | 14 | |
| Quarter 3 | 9 | 0 | 14 | 0 | 23 | |
| Quarter 4 | 10 | 0 | 14 | 0 | 24 | |
| Year 2018 | Quarter 1 | 8 | 0 | 13 | 0 | 21 |
| Quarter 2 | 6 | 0 | 9 | 0 | 15 | |
| Quarter 3 | 5 | 0 | 15 | 0 | 20 | |
| Quarter 4 | 2 | 0 | 9 | 0 | 11 | |
| Year 2019 | Quarter 1 | 1 | 0 | 1 | 0 | 2 |
| Quarter 2 | 5 | 0 | 9 | 0 | 14 | |
| Quarter 3 | 3 | 0 | 6 | 0 | 9 | |
| Quarter 4 | 6 | 0 | 2 | 0 | 8 | |
| Year 2020 | Quarter 1 | 5 | 0 | 5 | 0 | 10 |
| Quarter 2 | 6 | 0 | 0 | 0 | 6 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 8 | 0 | 6 | 0 | 14 | |
| Year 2021 | Quarter 1 | 11 | 0 | 8 | 0 | 19 |
| Quarter 2 | 9 | 0 | 8 | 0 | 17 | |
| Quarter 3 | 4 | 0 | 12 | 0 | 16 | |
| Quarter 4 | 4 | 0 | 12 | 0 | 16 | |
| Year 2022 | Quarter 1 | 10 | 0 | 11 | 0 | 21 |
| Quarter 2 | 2 | 0 | 10 | 0 | 12 | |
| Quarter 3 | 9 | 0 | 4 | 0 | 13 | |
| Quarter 4 | 14 | 0 | 10 | 0 | 24 | |
| Year 2023 | Quarter 1 | 22 | 0 | 44 | 0 | 66 |
| Quarter 2 | 7 | 0 | 9 | 0 | 16 | |
| Quarter 3 | 6 | 0 | 9 | 0 | 15 | |
| Quarter 4 | 5 | 0 | 7 | 0 | 12 | |
| Year 2024 | Quarter 1 | 5 | 0 | 11 | 0 | 16 |
| Quarter 2 | 18 | 0 | 23 | 0 | 41 | |
| Quarter 3 | 13 | 0 | 16 | 0 | 29 | |
| Total | 492 | 0 | 453 | 0 | 945 | |