Семенов, Артем Семенович. Сопротивление материалов: основные формулы: учебное пособие / А. С. Семенов, Б. Е. Мельников, А. И. Грищенко; Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: ПОЛИТЕХ-ПРЕСС, 2021. — 1 файл (848 Кб). — Загл. с титул. экрана. — Электронная копия печатной публикации 2021 г. — Доступ по паролю из сети Интернет (чтение, печать). — <URL:http://elib.spbstu.ru/dl/2/i21-39.pdf>. — DOI 10.18720/SPBPU/2/i21-39. — Текст: электронный
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2021
|
Quarter 1
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
10
|
1
|
0
|
0
|
11
|
|
May
|
8
|
3
|
0
|
0
|
11
|
|
June
|
9
|
3
|
0
|
0
|
12
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
12
|
3
|
0
|
0
|
15
|
|
Quarter 4
|
October
|
6
|
1
|
0
|
0
|
7
|
|
November
|
5
|
0
|
0
|
0
|
5
|
|
December
|
5
|
1
|
0
|
0
|
6
|
|
Year 2022
|
Quarter 1
|
January
|
7
|
3
|
0
|
0
|
10
|
|
February
|
7
|
1
|
0
|
0
|
8
|
|
March
|
18
|
2
|
0
|
0
|
20
|
|
Quarter 2
|
April
|
14
|
0
|
0
|
0
|
14
|
|
May
|
16
|
0
|
0
|
0
|
16
|
|
June
|
8
|
1
|
0
|
0
|
9
|
|
Quarter 3
|
July
|
4
|
3
|
0
|
0
|
7
|
|
August
|
3
|
1
|
0
|
0
|
4
|
|
September
|
13
|
2
|
0
|
0
|
15
|
|
Quarter 4
|
October
|
1
|
0
|
0
|
0
|
1
|
|
November
|
7
|
1
|
0
|
0
|
8
|
|
December
|
9
|
0
|
0
|
0
|
9
|
|
Year 2023
|
Quarter 1
|
January
|
7
|
0
|
0
|
0
|
7
|
|
February
|
19
|
2
|
0
|
0
|
21
|
|
March
|
12
|
1
|
0
|
0
|
13
|
|
Quarter 2
|
April
|
19
|
5
|
0
|
0
|
24
|
|
May
|
13
|
1
|
0
|
0
|
14
|
|
June
|
17
|
0
|
0
|
0
|
17
|
|
Quarter 3
|
July
|
4
|
1
|
0
|
0
|
5
|
|
August
|
2
|
1
|
0
|
0
|
3
|
|
September
|
16
|
4
|
0
|
0
|
20
|
|
Quarter 4
|
October
|
20
|
1
|
0
|
0
|
21
|
|
November
|
9
|
2
|
0
|
0
|
11
|
|
December
|
21
|
1
|
0
|
0
|
22
|
|
Year 2024
|
Quarter 1
|
January
|
2
|
1
|
0
|
0
|
3
|
|
February
|
15
|
0
|
0
|
0
|
15
|
|
March
|
9
|
3
|
0
|
0
|
12
|
|
Quarter 2
|
April
|
7
|
2
|
0
|
0
|
9
|
|
May
|
6
|
0
|
0
|
0
|
6
|
|
Total
|
365
|
51
|
0
|
0
|
416
|
