Гольдштейн, Борис Соломонович. Сигнализация в сетях связи: монография. Т. 1 / Б. С. Гольдштейн; Санкт-Петербургский государственный университет телекоммуникаций им. проф. М. А. Бонч-Бруевича. — 4 изд. — Санкт-Петербург: БХВ-Петербург, 2021. — 448 с. — Доступ по паролю из сети Интернет (чтение). — <URL:https://znanium.com/catalog/document?id=391687>. — <URL:https://znanium.com/cover/1856/1856770.jpg>. — Текст: электронный
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2023
|
Quarter 2
|
May
|
0
|
0
|
0
|
1
|
1
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
1
|
1
|
|
August
|
0
|
0
|
0
|
1
|
1
|
|
September
|
0
|
0
|
0
|
3
|
3
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
2
|
2
|
|
November
|
0
|
0
|
0
|
1
|
1
|
|
December
|
0
|
0
|
0
|
1
|
1
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
1
|
1
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
1
|
1
|
|
June
|
0
|
0
|
0
|
1
|
1
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
2
|
2
|
|
Total
|
0
|
0
|
0
|
15
|
15
|
