Confidence in electronic switching for telephones. Institution Conference on Electronic Telephone Exchanges, 22nd–24th November 1960
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1972 ◽
Vol 20
(4)
◽
pp. 768-774
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1977 ◽
Vol 65
(9)
◽
pp. 1271-1283
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2021 ◽
Vol 15
(3)
◽
pp. 601-606
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