Щадинский, Александр Викторович. Проектирование и эксплуатация акустических экранов на автомобильных дорогах [Электронный ресурс]: магистерская диссертация / А.В. Щадинский; Санкт-Петербургский политехнический университет Петра Великого, Инженерно-строительный институт, Кафедра "Строительство уникальных зданий и сооружений". — Электрон. текстовые дан. (1 файл : 1,92 МБ). — Санкт-Петербург, 2015. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/6103.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2015 | Quarter 4 | December | 8 | 0 | 6 | 0 | 14 | 
| Year 2016 | Quarter 1 | January | 13 | 0 | 23 | 0 | 36 | 
| February | 11 | 0 | 27 | 0 | 38 | ||
| March | 3 | 0 | 5 | 0 | 8 | ||
| Quarter 2 | April | 2 | 0 | 5 | 0 | 7 | |
| May | 0 | 0 | 23 | 0 | 23 | ||
| June | 6 | 0 | 8 | 0 | 14 | ||
| Quarter 3 | July | 1 | 0 | 9 | 0 | 10 | |
| August | 2 | 0 | 1 | 0 | 3 | ||
| September | 4 | 0 | 2 | 0 | 6 | ||
| Quarter 4 | October | 5 | 0 | 6 | 0 | 11 | |
| November | 5 | 0 | 8 | 0 | 13 | ||
| December | 3 | 0 | 11 | 0 | 14 | ||
| Year 2017 | Quarter 1 | January | 1 | 0 | 4 | 0 | 5 | 
| February | 0 | 0 | 2 | 0 | 2 | ||
| March | 3 | 0 | 11 | 0 | 14 | ||
| Quarter 2 | April | 1 | 0 | 12 | 0 | 13 | |
| May | 2 | 0 | 16 | 0 | 18 | ||
| June | 2 | 0 | 17 | 0 | 19 | ||
| Quarter 3 | July | 6 | 0 | 14 | 0 | 20 | |
| August | 0 | 0 | 15 | 0 | 15 | ||
| September | 0 | 0 | 18 | 0 | 18 | ||
| Quarter 4 | October | 8 | 0 | 20 | 0 | 28 | |
| November | 0 | 0 | 21 | 0 | 21 | ||
| December | 2 | 0 | 15 | 0 | 17 | ||
| Year 2018 | Quarter 1 | January | 7 | 0 | 36 | 0 | 43 | 
| February | 1 | 0 | 28 | 0 | 29 | ||
| March | 3 | 0 | 18 | 0 | 21 | ||
| Quarter 2 | April | 3 | 0 | 28 | 0 | 31 | |
| May | 3 | 0 | 33 | 0 | 36 | ||
| June | 3 | 0 | 58 | 0 | 61 | ||
| Quarter 3 | July | 7 | 0 | 32 | 0 | 39 | |
| August | 8 | 0 | 24 | 0 | 32 | ||
| September | 5 | 0 | 20 | 0 | 25 | ||
| Quarter 4 | October | 2 | 0 | 32 | 0 | 34 | |
| November | 0 | 0 | 20 | 0 | 20 | ||
| December | 2 | 0 | 28 | 0 | 30 | ||
| Year 2019 | Quarter 1 | January | 7 | 0 | 19 | 0 | 26 | 
| February | 5 | 0 | 18 | 0 | 23 | ||
| March | 3 | 0 | 33 | 0 | 36 | ||
| Quarter 2 | April | 1 | 0 | 31 | 0 | 32 | |
| May | 1 | 0 | 49 | 0 | 50 | ||
| June | 4 | 0 | 41 | 0 | 45 | ||
| Quarter 3 | July | 3 | 0 | 36 | 0 | 39 | |
| August | 0 | 0 | 20 | 0 | 20 | ||
| September | 1 | 0 | 18 | 0 | 19 | ||
| Quarter 4 | October | 1 | 0 | 34 | 0 | 35 | |
| November | 0 | 0 | 34 | 0 | 34 | ||
| December | 1 | 0 | 41 | 0 | 42 | ||
| Year 2020 | Quarter 1 | January | 0 | 0 | 19 | 0 | 19 | 
| February | 1 | 0 | 17 | 0 | 18 | ||
| March | 6 | 0 | 14 | 0 | 20 | ||
| Quarter 2 | April | 3 | 0 | 0 | 0 | 3 | |
| 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 | 2 | 0 | 2 | ||
| Quarter 4 | October | 0 | 0 | 1 | 0 | 1 | |
| November | 0 | 0 | 0 | 0 | 0 | ||
| December | 0 | 0 | 0 | 0 | 0 | ||
| Year 2021 | Quarter 1 | January | 0 | 0 | 1 | 0 | 1 | 
| 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 | 1 | 0 | 0 | 0 | 1 | ||
| 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 | ||
| 2022 | 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 2023 | 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 | 1 | 0 | 1 | ||
| 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 | ||
| Total | 170 | 0 | 1,085 | 0 | 1,255 | ||