Петров, С. И. Принципы построения и свойства гетероструктур на основе соединений III-N, полученных методом молекулярно-лучевой эпитаксии [Электронный ресурс]: автореф. дис. … канд. физ.-мат. наук: 01.04.10 / С. И. Петров; Санкт-Петербургский государственный политехнический университет ; науч.рук В. Г. Сидоров. — Электрон. текстовые дан. (1 файл : 435 Кб). — СПб., 2007. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 6.0. — <URL:http://elib.spbstu.ru/dl/1435.pdf>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2012
|
Quarter 1
|
3
|
0
|
3
|
0
|
6
|
Quarter 2
|
4
|
0
|
16
|
0
|
20
|
Quarter 3
|
7
|
0
|
6
|
0
|
13
|
Quarter 4
|
2
|
0
|
12
|
0
|
14
|
Year 2013
|
Quarter 1
|
4
|
0
|
13
|
0
|
17
|
Quarter 2
|
20
|
0
|
13
|
0
|
33
|
Quarter 3
|
33
|
0
|
4
|
0
|
37
|
Quarter 4
|
20
|
0
|
7
|
0
|
27
|
Year 2014
|
Quarter 1
|
14
|
0
|
3
|
0
|
17
|
Quarter 2
|
17
|
0
|
12
|
0
|
29
|
Quarter 3
|
12
|
0
|
7
|
0
|
19
|
Quarter 4
|
3
|
0
|
6
|
0
|
9
|
Year 2015
|
Quarter 1
|
8
|
0
|
11
|
0
|
19
|
Quarter 2
|
17
|
0
|
11
|
0
|
28
|
Quarter 3
|
4
|
0
|
5
|
0
|
9
|
Quarter 4
|
39
|
0
|
17
|
0
|
56
|
Year 2016
|
Quarter 1
|
7
|
0
|
20
|
0
|
27
|
Quarter 2
|
10
|
0
|
5
|
0
|
15
|
Quarter 3
|
5
|
0
|
1
|
0
|
6
|
Quarter 4
|
14
|
0
|
13
|
0
|
27
|
Year 2017
|
Quarter 1
|
6
|
0
|
14
|
0
|
20
|
Quarter 2
|
3
|
0
|
12
|
0
|
15
|
Quarter 3
|
8
|
0
|
12
|
0
|
20
|
Quarter 4
|
7
|
0
|
15
|
0
|
22
|
Year 2018
|
Quarter 1
|
11
|
0
|
57
|
0
|
68
|
Quarter 2
|
3
|
0
|
36
|
0
|
39
|
Quarter 3
|
13
|
0
|
34
|
0
|
47
|
Quarter 4
|
1
|
0
|
12
|
0
|
13
|
Year 2019
|
Quarter 1
|
9
|
0
|
9
|
0
|
18
|
Quarter 2
|
4
|
0
|
12
|
0
|
16
|
Quarter 3
|
7
|
0
|
8
|
0
|
15
|
Quarter 4
|
5
|
0
|
8
|
0
|
13
|
Year 2020
|
Quarter 1
|
6
|
0
|
14
|
0
|
20
|
Quarter 2
|
7
|
0
|
1
|
0
|
8
|
Quarter 3
|
8
|
0
|
0
|
0
|
8
|
Quarter 4
|
10
|
0
|
7
|
0
|
17
|
Year 2021
|
Quarter 1
|
5
|
0
|
7
|
0
|
12
|
Quarter 2
|
7
|
0
|
7
|
0
|
14
|
Quarter 3
|
10
|
0
|
8
|
0
|
18
|
Quarter 4
|
3
|
0
|
9
|
0
|
12
|
Year 2022
|
Quarter 1
|
5
|
0
|
8
|
0
|
13
|
Quarter 2
|
13
|
0
|
13
|
0
|
26
|
Quarter 3
|
10
|
0
|
7
|
0
|
17
|
Quarter 4
|
12
|
0
|
9
|
0
|
21
|
Year 2023
|
Quarter 1
|
5
|
0
|
19
|
0
|
24
|
Quarter 2
|
11
|
1
|
12
|
0
|
24
|
Quarter 3
|
9
|
0
|
8
|
0
|
17
|
Quarter 4
|
13
|
0
|
8
|
0
|
21
|
Year 2024
|
Quarter 1
|
1
|
0
|
13
|
0
|
14
|
Quarter 2
|
6
|
0
|
16
|
0
|
22
|
Total
|
461
|
1
|
580
|
0
|
1,042
|