Hills, Michael Turner. Telecommunications switching principles / M.T. Hills. — Cambridge; London: MIT Press, 1982. — 1 PDF (xiii, 327 pages): ill. — Restricted to subscribers or individual electronic text purchasers. — Доступ по паролю из сети Интернет (чтение, печать). — Mode of access: World Wide Web. — <URL:https://ieeexplore.ieee.org/xpl/bkabstractplus.jsp?bkn=6276878>. — Текст: электронный
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2020
|
Quarter 2
|
April
|
0
|
0
|
0
|
1
|
1
|
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
|
2021
|
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 2022
|
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
|
1
|
1
|
Year 2023
|
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
|
1
|
1
|
May
|
0
|
0
|
0
|
0
|
0
|
June
|
0
|
0
|
0
|
0
|
0
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
1
|
1
|
September
|
0
|
0
|
0
|
4
|
4
|
Quarter 4
|
October
|
0
|
0
|
0
|
1
|
1
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
0
|
0
|
0
|
0
|
0
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
1
|
1
|
February
|
0
|
0
|
0
|
1
|
1
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
0
|
0
|
0
|
2
|
2
|
Total
|
0
|
0
|
0
|
13
|
13
|