Давыдов, Владимир Григорьевич. — Система супервизорного управления Vijeo Citect 7.30 SP1. Базовый курс [Электронный ресурс]: учебное пособие / В.Г. Давыдов; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (2 файла : 13,3 Мб, 1,86 Гб). — Санкт-Петербург, 2013. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Доступ по паролю автора. — Текстовый документ, самораспаковывающийся архив файлов. — Adobe Acrobat Reader 7.0, WinRAR 3.92. — <URL:http://elib.spbstu.ru/dl/2/3412.pdf>. — <URL:http://elib.spbstu.ru/dl/2/3412.zip>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2013 | Quarter 3 | 5 | 0 | 2 | 0 | 7 |
| Quarter 4 | 1 | 0 | 40 | 0 | 41 | |
| Year 2014 | Quarter 1 | 0 | 0 | 20 | 0 | 20 |
| Quarter 2 | 0 | 0 | 31 | 0 | 31 | |
| Quarter 3 | 0 | 0 | 18 | 0 | 18 | |
| Quarter 4 | 0 | 0 | 12 | 0 | 12 | |
| Year 2015 | Quarter 1 | 0 | 0 | 6 | 0 | 6 |
| Quarter 2 | 0 | 0 | 13 | 0 | 13 | |
| Quarter 3 | 0 | 0 | 15 | 0 | 15 | |
| Quarter 4 | 0 | 0 | 12 | 0 | 12 | |
| Year 2016 | Quarter 1 | 0 | 0 | 20 | 0 | 20 |
| Quarter 2 | 0 | 0 | 16 | 0 | 16 | |
| Quarter 3 | 0 | 0 | 18 | 0 | 18 | |
| Quarter 4 | 0 | 0 | 22 | 0 | 22 | |
| Year 2017 | Quarter 1 | 0 | 0 | 4 | 0 | 4 |
| Quarter 2 | 0 | 0 | 2 | 0 | 2 | |
| Quarter 3 | 0 | 0 | 6 | 0 | 6 | |
| Quarter 4 | 0 | 0 | 5 | 0 | 5 | |
| Year 2018 | Quarter 1 | 0 | 0 | 1 | 0 | 1 |
| Quarter 2 | 0 | 0 | 13 | 0 | 13 | |
| Quarter 3 | 0 | 0 | 3 | 0 | 3 | |
| Quarter 4 | 0 | 0 | 3 | 0 | 3 | |
| Year 2019 | Quarter 1 | 0 | 0 | 6 | 0 | 6 |
| Quarter 2 | 0 | 0 | 1 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 1 | 0 | 1 | |
| Quarter 4 | 0 | 0 | 1 | 0 | 1 | |
| Year 2020 | Quarter 1 | 0 | 0 | 2 | 0 | 2 |
| Quarter 2 | 0 | 0 | 1 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 12 | 0 | 12 | |
| Year 2021 | Quarter 1 | 0 | 0 | 9 | 0 | 9 |
| Quarter 2 | 0 | 0 | 31 | 0 | 31 | |
| Quarter 3 | 0 | 0 | 12 | 0 | 12 | |
| Quarter 4 | 0 | 0 | 10 | 0 | 10 | |
| Year 2022 | Quarter 1 | 0 | 0 | 8 | 0 | 8 |
| Quarter 2 | 0 | 0 | 7 | 0 | 7 | |
| Quarter 3 | 0 | 0 | 6 | 0 | 6 | |
| Quarter 4 | 0 | 0 | 5 | 0 | 5 | |
| Year 2023 | Quarter 1 | 0 | 0 | 5 | 0 | 5 |
| Quarter 2 | 0 | 0 | 3 | 0 | 3 | |
| Quarter 3 | 0 | 0 | 3 | 0 | 3 | |
| Quarter 4 | 0 | 0 | 6 | 0 | 6 | |
| Year 2024 | Quarter 1 | 0 | 0 | 13 | 0 | 13 |
| Quarter 2 | 0 | 0 | 14 | 0 | 14 | |
| Quarter 3 | 0 | 0 | 13 | 0 | 13 | |
| Quarter 4 | 0 | 0 | 8 | 0 | 8 | |
| Year 2025 | Quarter 1 | 0 | 0 | 1 | 0 | 1 |
| Total | 6 | 0 | 460 | 0 | 466 | |