Гиршов, Владимир Леонидович. Современные технологии в порошковой металлургии [Электронный ресурс]: учебное пособие для вузов по направлениям подготовки магистров "Металлургия, машиностроение и материалообработка" / В.Л. Гиршов, С.А. Котов, В.Н. Цеменко; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 5,92 Мб). — Санкт-Петербург, 2010. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2896.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2013 | Quarter 1 | 5 | 0 | 3 | 0 | 8 |
| Quarter 2 | 36 | 0 | 9 | 0 | 45 | |
| Quarter 3 | 21 | 0 | 8 | 0 | 29 | |
| Quarter 4 | 20 | 0 | 8 | 0 | 28 | |
| Year 2014 | Quarter 1 | 16 | 0 | 10 | 0 | 26 |
| Quarter 2 | 28 | 0 | 13 | 0 | 41 | |
| Quarter 3 | 21 | 0 | 12 | 0 | 33 | |
| Quarter 4 | 17 | 0 | 12 | 0 | 29 | |
| Year 2015 | Quarter 1 | 22 | 0 | 28 | 0 | 50 |
| Quarter 2 | 31 | 0 | 25 | 0 | 56 | |
| Quarter 3 | 17 | 0 | 15 | 0 | 32 | |
| Quarter 4 | 19 | 0 | 26 | 0 | 45 | |
| Year 2016 | Quarter 1 | 58 | 1 | 25 | 0 | 84 |
| Quarter 2 | 36 | 0 | 20 | 0 | 56 | |
| Quarter 3 | 22 | 0 | 7 | 0 | 29 | |
| Quarter 4 | 24 | 0 | 163 | 0 | 187 | |
| Year 2017 | Quarter 1 | 26 | 0 | 196 | 0 | 222 |
| Quarter 2 | 90 | 0 | 786 | 0 | 876 | |
| Quarter 3 | 56 | 0 | 532 | 0 | 588 | |
| Quarter 4 | 69 | 0 | 1,254 | 0 | 1,323 | |
| Year 2018 | Quarter 1 | 94 | 0 | 1,259 | 0 | 1,353 |
| Quarter 2 | 67 | 0 | 1,952 | 0 | 2,019 | |
| Quarter 3 | 40 | 0 | 1,048 | 0 | 1,088 | |
| Quarter 4 | 33 | 0 | 880 | 0 | 913 | |
| Year 2019 | Quarter 1 | 32 | 0 | 786 | 0 | 818 |
| Quarter 2 | 19 | 0 | 1,065 | 0 | 1,084 | |
| Quarter 3 | 27 | 0 | 704 | 0 | 731 | |
| Quarter 4 | 57 | 0 | 1,534 | 0 | 1,591 | |
| Year 2020 | Quarter 1 | 32 | 0 | 77 | 0 | 109 |
| Quarter 2 | 59 | 0 | 2 | 0 | 61 | |
| Quarter 3 | 36 | 0 | 5 | 0 | 41 | |
| Quarter 4 | 36 | 0 | 370 | 0 | 406 | |
| Year 2021 | Quarter 1 | 26 | 0 | 1,261 | 0 | 1,287 |
| Quarter 2 | 24 | 1 | 1,604 | 0 | 1,629 | |
| Quarter 3 | 11 | 0 | 1,410 | 0 | 1,421 | |
| Quarter 4 | 19 | 0 | 2,066 | 0 | 2,085 | |
| Year 2022 | Quarter 1 | 38 | 1 | 1,683 | 0 | 1,722 |
| Quarter 2 | 25 | 0 | 1,984 | 0 | 2,009 | |
| Quarter 3 | 48 | 0 | 1,733 | 0 | 1,781 | |
| Quarter 4 | 52 | 0 | 2,161 | 0 | 2,213 | |
| Year 2023 | Quarter 1 | 26 | 0 | 2,543 | 0 | 2,569 |
| Quarter 2 | 46 | 0 | 2,683 | 0 | 2,729 | |
| Quarter 3 | 23 | 0 | 2,053 | 0 | 2,076 | |
| Quarter 4 | 51 | 0 | 3,368 | 0 | 3,419 | |
| Year 2024 | Quarter 1 | 27 | 0 | 3,201 | 0 | 3,228 |
| Quarter 2 | 95 | 0 | 4,435 | 0 | 4,530 | |
| Quarter 3 | 50 | 0 | 1,581 | 0 | 1,631 | |
| Quarter 4 | 94 | 0 | 344 | 0 | 438 | |
| Total | 1,821 | 3 | 46,944 | 0 | 48,768 | |