Братчиков, Александр Яковлевич. Шлифование импрегнированными кругами [Электронный ресурс] / А. Я. Братчиков, А. В. Приемышев; Санкт-Петербургский государственный политехнический университет. — Электрон. текстовые дан. (1 файл : 4,69 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2014 (Санкт-Петербург, 2017). — Загл. с титул. экрана. — Электронная копия печатной публикации 2014 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/i17-101.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/i17-101>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2017
|
Quarter 2
|
May
|
1
|
0
|
0
|
0
|
1
|
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
|
2018
|
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
|
2019
|
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 2020
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
February
|
0
|
0
|
0
|
0
|
0
|
March
|
2
|
0
|
0
|
0
|
2
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
May
|
5
|
0
|
0
|
0
|
5
|
June
|
1
|
0
|
0
|
0
|
1
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
3
|
0
|
0
|
0
|
3
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
Total
|
21
|
0
|
0
|
0
|
21
|