Michailov, Vesselin. Principles of welding / Vesselin Michailov, Victor Karkhin, Peter Petrov. — Saint-Petersburg: Polytechnic University Publishing, 2016 (Санкт-Петербург, 2020). — 1 файл (15,8 Мб). — Загл. с титул. экрана. — Цифровая копия печатной публикации 2016 г. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/si20-668.pdf>. — DOI 10.18720/SPBPU/2/si20-668. — Текст: электронный
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2020
|
Quarter 4
|
2
|
0
|
0
|
0
|
2
|
|
Year 2021
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
3
|
0
|
1
|
0
|
4
|
|
2022
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2023
|
Quarter 1
|
14
|
0
|
0
|
0
|
14
|
|
Quarter 2
|
22
|
0
|
0
|
0
|
22
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2024
|
Quarter 1
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
42
|
0
|
3
|
0
|
45
|
