Солопченко, Геннадий Николаевич. Метрология. Стандартизация. Сертификация. Основы законодательной и прикладной метрологии [Электронный ресурс]: учебное пособие / Г.Н. Солопченко; Санкт-Петербургский государственный политехнический университет. — Изд. 3-е, перераб. и доп. — Электрон. текстовые дан. (1 файл: 1,19 Мб). — Санкт-Петербург, 2015. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/5191.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2015 | Quarter 1 | January | 5 | 0 | 0 | 0 | 5 |
| February | 24 | 0 | 0 | 0 | 24 | ||
| March | 9 | 0 | 0 | 0 | 9 | ||
| Quarter 2 | April | 10 | 0 | 0 | 0 | 10 | |
| May | 9 | 0 | 0 | 0 | 9 | ||
| June | 8 | 0 | 0 | 0 | 8 | ||
| Quarter 3 | July | 9 | 0 | 0 | 0 | 9 | |
| August | 2 | 0 | 0 | 0 | 2 | ||
| September | 6 | 0 | 0 | 0 | 6 | ||
| Quarter 4 | October | 6 | 0 | 0 | 0 | 6 | |
| November | 1 | 0 | 0 | 0 | 1 | ||
| December | 3 | 1 | 0 | 0 | 4 | ||
| Year 2016 | Quarter 1 | January | 1 | 0 | 0 | 0 | 1 |
| February | 5 | 0 | 0 | 0 | 5 | ||
| March | 3 | 0 | 0 | 0 | 3 | ||
| Quarter 2 | April | 6 | 0 | 0 | 0 | 6 | |
| May | 15 | 0 | 0 | 0 | 15 | ||
| June | 8 | 0 | 0 | 0 | 8 | ||
| Quarter 3 | July | 1 | 0 | 0 | 0 | 1 | |
| August | 8 | 0 | 0 | 0 | 8 | ||
| September | 4 | 0 | 0 | 0 | 4 | ||
| Quarter 4 | October | 9 | 0 | 0 | 0 | 9 | |
| November | 2 | 0 | 0 | 0 | 2 | ||
| December | 4 | 0 | 0 | 0 | 4 | ||
| Year 2017 | Quarter 1 | January | 41 | 1 | 0 | 0 | 42 |
| February | 6 | 0 | 0 | 0 | 6 | ||
| March | 9 | 0 | 4 | 0 | 13 | ||
| Quarter 2 | April | 9 | 0 | 10 | 0 | 19 | |
| May | 9 | 0 | 11 | 0 | 20 | ||
| June | 10 | 0 | 39 | 0 | 49 | ||
| Quarter 3 | July | 3 | 0 | 22 | 0 | 25 | |
| August | 4 | 0 | 30 | 0 | 34 | ||
| September | 2 | 0 | 26 | 0 | 28 | ||
| Quarter 4 | October | 5 | 0 | 21 | 0 | 26 | |
| November | 2 | 0 | 13 | 0 | 15 | ||
| December | 8 | 0 | 35 | 0 | 43 | ||
| Year 2018 | Quarter 1 | January | 16 | 0 | 33 | 0 | 49 |
| February | 10 | 0 | 26 | 0 | 36 | ||
| March | 7 | 0 | 16 | 0 | 23 | ||
| Quarter 2 | April | 5 | 0 | 15 | 0 | 20 | |
| May | 8 | 1 | 43 | 0 | 52 | ||
| June | 25 | 0 | 76 | 0 | 101 | ||
| Quarter 3 | July | 7 | 0 | 62 | 0 | 69 | |
| August | 14 | 0 | 26 | 0 | 40 | ||
| September | 6 | 0 | 27 | 0 | 33 | ||
| Quarter 4 | October | 4 | 0 | 19 | 0 | 23 | |
| November | 3 | 0 | 17 | 0 | 20 | ||
| December | 2 | 0 | 13 | 0 | 15 | ||
| Year 2019 | Quarter 1 | January | 3 | 0 | 7 | 0 | 10 |
| February | 6 | 0 | 12 | 0 | 18 | ||
| March | 3 | 0 | 10 | 0 | 13 | ||
| Quarter 2 | April | 4 | 0 | 21 | 0 | 25 | |
| May | 4 | 0 | 22 | 0 | 26 | ||
| June | 4 | 0 | 25 | 0 | 29 | ||
| Quarter 3 | July | 7 | 0 | 7 | 0 | 14 | |
| August | 2 | 0 | 8 | 0 | 10 | ||
| September | 3 | 0 | 12 | 0 | 15 | ||
| Quarter 4 | October | 4 | 0 | 15 | 0 | 19 | |
| November | 1 | 0 | 26 | 0 | 27 | ||
| December | 1 | 0 | 42 | 0 | 43 | ||
| Year 2020 | Quarter 1 | January | 2 | 0 | 29 | 0 | 31 |
| February | 3 | 0 | 23 | 0 | 26 | ||
| March | 11 | 0 | 15 | 0 | 26 | ||
| Quarter 2 | April | 9 | 0 | 2 | 0 | 11 | |
| May | 6 | 0 | 1 | 0 | 7 | ||
| June | 13 | 0 | 0 | 0 | 13 | ||
| Quarter 3 | July | 13 | 0 | 0 | 0 | 13 | |
| August | 6 | 0 | 0 | 0 | 6 | ||
| September | 12 | 0 | 4 | 0 | 16 | ||
| Quarter 4 | October | 5 | 0 | 2 | 0 | 7 | |
| November | 4 | 0 | 7 | 0 | 11 | ||
| December | 5 | 0 | 12 | 0 | 17 | ||
| Year 2021 | Quarter 1 | January | 15 | 0 | 13 | 0 | 28 |
| February | 4 | 0 | 9 | 0 | 13 | ||
| March | 8 | 0 | 10 | 0 | 18 | ||
| Quarter 2 | April | 2 | 0 | 5 | 0 | 7 | |
| May | 3 | 0 | 7 | 0 | 10 | ||
| June | 10 | 0 | 10 | 0 | 20 | ||
| Quarter 3 | July | 9 | 0 | 13 | 0 | 22 | |
| August | 7 | 0 | 4 | 0 | 11 | ||
| September | 4 | 0 | 10 | 0 | 14 | ||
| Quarter 4 | October | 8 | 0 | 18 | 0 | 26 | |
| November | 7 | 0 | 17 | 0 | 24 | ||
| December | 1 | 0 | 11 | 0 | 12 | ||
| Year 2022 | Quarter 1 | January | 3 | 0 | 15 | 0 | 18 |
| February | 1 | 0 | 6 | 0 | 7 | ||
| March | 5 | 0 | 6 | 0 | 11 | ||
| Quarter 2 | April | 1 | 0 | 8 | 0 | 9 | |
| May | 5 | 0 | 16 | 0 | 21 | ||
| June | 5 | 0 | 12 | 0 | 17 | ||
| Quarter 3 | July | 4 | 0 | 12 | 0 | 16 | |
| August | 3 | 0 | 13 | 0 | 16 | ||
| September | 7 | 0 | 5 | 0 | 12 | ||
| Quarter 4 | October | 4 | 0 | 11 | 0 | 15 | |
| November | 4 | 0 | 9 | 0 | 13 | ||
| December | 5 | 0 | 18 | 0 | 23 | ||
| Year 2023 | Quarter 1 | January | 9 | 0 | 19 | 0 | 28 |
| February | 0 | 0 | 12 | 0 | 12 | ||
| March | 2 | 0 | 14 | 0 | 16 | ||
| Quarter 2 | April | 5 | 0 | 6 | 0 | 11 | |
| May | 3 | 0 | 11 | 0 | 14 | ||
| June | 4 | 0 | 15 | 0 | 19 | ||
| Quarter 3 | July | 4 | 0 | 10 | 0 | 14 | |
| August | 2 | 0 | 9 | 0 | 11 | ||
| September | 12 | 0 | 10 | 0 | 22 | ||
| Quarter 4 | October | 6 | 0 | 12 | 0 | 18 | |
| November | 6 | 0 | 9 | 0 | 15 | ||
| December | 6 | 0 | 21 | 0 | 27 | ||
| Year 2024 | Quarter 1 | January | 14 | 1 | 12 | 0 | 27 |
| February | 2 | 0 | 14 | 0 | 16 | ||
| March | 1 | 0 | 16 | 0 | 17 | ||
| Quarter 2 | April | 7 | 0 | 24 | 0 | 31 | |
| May | 6 | 0 | 23 | 0 | 29 | ||
| June | 2 | 0 | 17 | 0 | 19 | ||
| Quarter 3 | July | 1 | 0 | 14 | 0 | 15 | |
| August | 6 | 0 | 13 | 0 | 19 | ||
| September | 5 | 0 | 25 | 0 | 30 | ||
| Total | 732 | 4 | 1,450 | 0 | 2,186 | ||