Санкт-Петербургский государственный политехнический университет. Фундаментальная библиотека. Отдел каталогизации. Бюллетень новых поступлений за апрель 2009 года [Электронный ресурс]. — Электрон.текстовые дан. (1 файл: 1 МБ). — СПб., 2009. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 6.0. — <URL:http://elib.spbstu.ru/dl/1736.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2011 | Quarter 4 | 1 | 0 | 0 | 0 | 1 |
| Year 2012 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 4 | 0 | 2 | 0 | 6 | |
| Quarter 3 | 2 | 0 | 2 | 0 | 4 | |
| Quarter 4 | 6 | 0 | 7 | 0 | 13 | |
| Year 2013 | Quarter 1 | 2 | 0 | 9 | 0 | 11 |
| Quarter 2 | 38 | 0 | 7 | 0 | 45 | |
| Quarter 3 | 33 | 0 | 6 | 0 | 39 | |
| Quarter 4 | 28 | 0 | 5 | 0 | 33 | |
| Year 2014 | Quarter 1 | 39 | 0 | 41 | 0 | 80 |
| Quarter 2 | 46 | 0 | 40 | 0 | 86 | |
| Quarter 3 | 32 | 0 | 40 | 0 | 72 | |
| Quarter 4 | 29 | 0 | 56 | 0 | 85 | |
| Year 2015 | Quarter 1 | 33 | 0 | 12 | 0 | 45 |
| Quarter 2 | 35 | 0 | 5 | 0 | 40 | |
| Quarter 3 | 34 | 0 | 11 | 0 | 45 | |
| Quarter 4 | 24 | 0 | 20 | 0 | 44 | |
| Year 2016 | Quarter 1 | 29 | 0 | 25 | 0 | 54 |
| Quarter 2 | 27 | 0 | 5 | 0 | 32 | |
| Quarter 3 | 19 | 0 | 6 | 0 | 25 | |
| Quarter 4 | 52 | 0 | 6 | 0 | 58 | |
| Year 2017 | Quarter 1 | 27 | 0 | 5 | 0 | 32 |
| Quarter 2 | 13 | 0 | 51 | 0 | 64 | |
| Quarter 3 | 16 | 0 | 31 | 0 | 47 | |
| Quarter 4 | 16 | 0 | 43 | 0 | 59 | |
| Year 2018 | Quarter 1 | 22 | 0 | 47 | 0 | 69 |
| Quarter 2 | 15 | 0 | 98 | 0 | 113 | |
| Quarter 3 | 10 | 0 | 73 | 0 | 83 | |
| Quarter 4 | 29 | 0 | 34 | 0 | 63 | |
| Year 2019 | Quarter 1 | 20 | 0 | 34 | 0 | 54 |
| Quarter 2 | 8 | 0 | 33 | 0 | 41 | |
| Quarter 3 | 5 | 0 | 15 | 0 | 20 | |
| Quarter 4 | 1 | 0 | 24 | 0 | 25 | |
| Year 2020 | Quarter 1 | 7 | 0 | 27 | 0 | 34 |
| Quarter 2 | 9 | 0 | 0 | 0 | 9 | |
| Quarter 3 | 8 | 0 | 0 | 0 | 8 | |
| Quarter 4 | 8 | 0 | 17 | 0 | 25 | |
| Year 2021 | Quarter 1 | 13 | 0 | 29 | 0 | 42 |
| Quarter 2 | 6 | 0 | 23 | 0 | 29 | |
| Quarter 3 | 5 | 0 | 15 | 0 | 20 | |
| Quarter 4 | 7 | 0 | 20 | 0 | 27 | |
| Year 2022 | Quarter 1 | 2 | 0 | 12 | 0 | 14 |
| Quarter 2 | 3 | 0 | 14 | 0 | 17 | |
| Quarter 3 | 11 | 0 | 5 | 0 | 16 | |
| Quarter 4 | 9 | 0 | 8 | 0 | 17 | |
| Year 2023 | Quarter 1 | 8 | 0 | 23 | 0 | 31 |
| Quarter 2 | 5 | 0 | 15 | 0 | 20 | |
| Quarter 3 | 5 | 0 | 6 | 0 | 11 | |
| Quarter 4 | 12 | 0 | 21 | 0 | 33 | |
| Year 2024 | Quarter 1 | 3 | 0 | 25 | 0 | 28 |
| Quarter 2 | 11 | 0 | 44 | 0 | 55 | |
| Quarter 3 | 7 | 0 | 26 | 0 | 33 | |
| Total | 834 | 0 | 1,123 | 0 | 1,957 | |