Петрова, О. Защитник ленинградского неба [Электронный ресурс] / О. Петрова. — Электрон.текстовые дан.: (1 файл; 395КБ) // Политехник: издание Санкт-Петербургского государственного политехнического университета. – Санкт-Петербург. – 1991. – Загл. с титул. экрана. — Электрон. версия печ. публикации. — Доступ по паролю из сети Интернет (чтение). — Adobe Acrobat Reader. — <URL:http://elib.spbstu.ru/dl/politech/1991/2.pdf>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2012
|
Quarter 1
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 2
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 3
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 4
|
5
|
0
|
3
|
0
|
8
|
|
Year 2013
|
Quarter 1
|
5
|
0
|
2
|
0
|
7
|
|
Quarter 2
|
5
|
0
|
1
|
0
|
6
|
|
Quarter 3
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
Year 2014
|
Quarter 1
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 3
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
2
|
0
|
0
|
0
|
2
|
|
Year 2015
|
Quarter 1
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 2
|
19
|
0
|
7
|
0
|
26
|
|
Quarter 3
|
5
|
0
|
8
|
0
|
13
|
|
Quarter 4
|
8
|
0
|
5
|
0
|
13
|
|
Year 2016
|
Quarter 1
|
9
|
0
|
2
|
0
|
11
|
|
Quarter 2
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 3
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 4
|
10
|
0
|
10
|
0
|
20
|
|
Year 2017
|
Quarter 1
|
5
|
0
|
20
|
0
|
25
|
|
Quarter 2
|
1
|
0
|
16
|
0
|
17
|
|
Quarter 3
|
15
|
0
|
18
|
0
|
33
|
|
Quarter 4
|
5
|
0
|
22
|
0
|
27
|
|
Year 2018
|
Quarter 1
|
13
|
0
|
24
|
0
|
37
|
|
Quarter 2
|
5
|
0
|
42
|
0
|
47
|
|
Quarter 3
|
6
|
0
|
18
|
0
|
24
|
|
Quarter 4
|
7
|
0
|
1
|
0
|
8
|
|
Year 2019
|
Quarter 1
|
2
|
0
|
7
|
0
|
9
|
|
Quarter 2
|
3
|
0
|
40
|
0
|
43
|
|
Quarter 3
|
1
|
0
|
38
|
0
|
39
|
|
Quarter 4
|
3
|
0
|
3
|
0
|
6
|
|
Year 2020
|
Quarter 1
|
4
|
0
|
11
|
0
|
15
|
|
Quarter 2
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
7
|
0
|
0
|
0
|
7
|
|
Quarter 4
|
6
|
0
|
5
|
0
|
11
|
|
Year 2021
|
Quarter 1
|
10
|
0
|
10
|
0
|
20
|
|
Quarter 2
|
5
|
0
|
6
|
0
|
11
|
|
Quarter 3
|
7
|
0
|
5
|
0
|
12
|
|
Quarter 4
|
2
|
0
|
9
|
0
|
11
|
|
Year 2022
|
Quarter 1
|
6
|
0
|
8
|
0
|
14
|
|
Quarter 2
|
1
|
0
|
5
|
0
|
6
|
|
Quarter 3
|
6
|
0
|
2
|
0
|
8
|
|
Quarter 4
|
5
|
0
|
11
|
0
|
16
|
|
Year 2023
|
Quarter 1
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 2
|
6
|
0
|
11
|
0
|
17
|
|
Quarter 3
|
5
|
0
|
13
|
0
|
18
|
|
Quarter 4
|
1
|
0
|
4
|
0
|
5
|
|
Total
|
237
|
0
|
404
|
0
|
641
|
