Русский экономист и публицист Александр Сергеевич Посников [Электронный ресурс]: выставка литературы из цикла «Политехнический: события и люди. Юбилейные даты года»: к 170-летию со дня рождения / Санкт-Петербургский политехнический университет Петра Великого, Информационно-библиотечный комплекс, Фундаментальная библиотека ; [сост. И.А. Брюханова, А.В. Куликова ; ред. Т.П. Наумова]. — Электрон. текстовые дан. (1 файл : 950 Кб). — [Санкт-Петербург, 2015]. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/8811.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2015 | Quarter 4 | December | 3 | 0 | 2 | 0 | 5 |
| Year 2016 | Quarter 1 | January | 12 | 0 | 7 | 0 | 19 |
| February | 17 | 0 | 24 | 0 | 41 | ||
| March | 12 | 0 | 14 | 0 | 26 | ||
| Quarter 2 | April | 12 | 0 | 3 | 0 | 15 | |
| May | 6 | 0 | 8 | 0 | 14 | ||
| June | 8 | 0 | 8 | 0 | 16 | ||
| Quarter 3 | July | 2 | 0 | 5 | 0 | 7 | |
| August | 4 | 0 | 4 | 0 | 8 | ||
| September | 12 | 0 | 4 | 0 | 16 | ||
| Quarter 4 | October | 5 | 0 | 1 | 0 | 6 | |
| November | 5 | 0 | 1 | 0 | 6 | ||
| December | 4 | 0 | 2 | 0 | 6 | ||
| Year 2017 | Quarter 1 | January | 1 | 0 | 0 | 0 | 1 |
| February | 3 | 0 | 1 | 0 | 4 | ||
| March | 11 | 0 | 2 | 0 | 13 | ||
| Quarter 2 | April | 1 | 0 | 2 | 0 | 3 | |
| May | 0 | 0 | 3 | 0 | 3 | ||
| June | 3 | 0 | 2 | 0 | 5 | ||
| Quarter 3 | July | 3 | 0 | 2 | 0 | 5 | |
| August | 2 | 0 | 22 | 0 | 24 | ||
| September | 1 | 0 | 7 | 0 | 8 | ||
| Quarter 4 | October | 3 | 0 | 3 | 0 | 6 | |
| November | 3 | 0 | 8 | 0 | 11 | ||
| December | 2 | 0 | 12 | 0 | 14 | ||
| Year 2018 | Quarter 1 | January | 2 | 0 | 17 | 0 | 19 |
| February | 1 | 0 | 12 | 0 | 13 | ||
| March | 1 | 0 | 17 | 0 | 18 | ||
| Quarter 2 | April | 2 | 0 | 9 | 0 | 11 | |
| May | 1 | 0 | 17 | 0 | 18 | ||
| June | 7 | 0 | 19 | 0 | 26 | ||
| Quarter 3 | July | 4 | 0 | 38 | 0 | 42 | |
| August | 2 | 0 | 16 | 0 | 18 | ||
| September | 15 | 0 | 12 | 0 | 27 | ||
| Quarter 4 | October | 0 | 0 | 3 | 0 | 3 | |
| November | 2 | 0 | 10 | 0 | 12 | ||
| December | 4 | 0 | 5 | 0 | 9 | ||
| Year 2019 | Quarter 1 | January | 0 | 0 | 3 | 0 | 3 |
| February | 2 | 0 | 8 | 0 | 10 | ||
| March | 3 | 0 | 3 | 0 | 6 | ||
| Quarter 2 | April | 2 | 0 | 25 | 0 | 27 | |
| May | 2 | 0 | 5 | 0 | 7 | ||
| June | 0 | 0 | 4 | 0 | 4 | ||
| Quarter 3 | July | 6 | 0 | 3 | 0 | 9 | |
| August | 3 | 0 | 6 | 0 | 9 | ||
| September | 1 | 0 | 4 | 0 | 5 | ||
| Quarter 4 | October | 1 | 0 | 5 | 0 | 6 | |
| November | 0 | 0 | 10 | 0 | 10 | ||
| December | 1 | 0 | 9 | 0 | 10 | ||
| Year 2020 | Quarter 1 | January | 2 | 0 | 7 | 0 | 9 |
| February | 0 | 0 | 8 | 0 | 8 | ||
| March | 5 | 0 | 8 | 0 | 13 | ||
| Quarter 2 | April | 5 | 0 | 0 | 0 | 5 | |
| May | 2 | 0 | 0 | 0 | 2 | ||
| June | 4 | 0 | 0 | 0 | 4 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 1 | 0 | 0 | 0 | 1 | ||
| September | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 4 | October | 1 | 0 | 0 | 0 | 1 | |
| November | 3 | 0 | 10 | 0 | 13 | ||
| December | 0 | 0 | 4 | 0 | 4 | ||
| Year 2021 | Quarter 1 | January | 5 | 0 | 4 | 0 | 9 |
| February | 4 | 0 | 1 | 0 | 5 | ||
| March | 0 | 0 | 3 | 0 | 3 | ||
| Quarter 2 | April | 2 | 0 | 4 | 0 | 6 | |
| May | 0 | 0 | 9 | 0 | 9 | ||
| June | 4 | 0 | 3 | 0 | 7 | ||
| Quarter 3 | July | 6 | 0 | 7 | 0 | 13 | |
| August | 6 | 0 | 9 | 0 | 15 | ||
| September | 3 | 0 | 3 | 0 | 6 | ||
| Quarter 4 | October | 1 | 0 | 6 | 0 | 7 | |
| November | 0 | 0 | 4 | 0 | 4 | ||
| December | 1 | 0 | 2 | 0 | 3 | ||
| Year 2022 | Quarter 1 | January | 2 | 0 | 3 | 0 | 5 |
| February | 4 | 0 | 7 | 0 | 11 | ||
| March | 2 | 0 | 3 | 0 | 5 | ||
| Quarter 2 | April | 1 | 0 | 3 | 0 | 4 | |
| May | 1 | 0 | 3 | 0 | 4 | ||
| June | 3 | 0 | 7 | 0 | 10 | ||
| Quarter 3 | July | 2 | 0 | 5 | 0 | 7 | |
| August | 1 | 0 | 6 | 0 | 7 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 4 | October | 5 | 0 | 1 | 0 | 6 | |
| November | 3 | 0 | 3 | 0 | 6 | ||
| December | 15 | 0 | 11 | 0 | 26 | ||
| Year 2023 | Quarter 1 | January | 3 | 0 | 5 | 0 | 8 |
| February | 1 | 0 | 0 | 0 | 1 | ||
| March | 1 | 0 | 3 | 0 | 4 | ||
| Quarter 2 | April | 2 | 0 | 4 | 0 | 6 | |
| May | 2 | 0 | 8 | 0 | 10 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| 2024 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 0 | 0 | 0 | 0 | 0 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
| May | 0 | 0 | 0 | 0 | 0 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2025 | Quarter 1 | January | 0 | 0 | 0 | 0 | 0 |
| February | 1 | 0 | 0 | 0 | 1 | ||
| March | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 2 | April | 0 | 0 | 0 | 0 | 0 | |
| May | 0 | 0 | 0 | 0 | 0 | ||
| June | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 3 | July | 0 | 0 | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | 0 | 0 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Quarter 4 | October | 0 | 0 | 0 | 0 | 0 | |
| Total | 303 | 0 | 571 | 0 | 874 | ||