The full stature of the crossbar tandem switching system
Transactions of the American Institute of Electrical Engineers Part I Communication and Electronics
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1956 ◽
Vol 75
(4)
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pp. 486-496
1960 ◽
Vol 107
(20S)
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pp. 94
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Keyword(s):
Keyword(s):
1999 ◽
Vol 724
(1)
◽
pp. 73-82
◽
2010 ◽
Vol 470
(20)
◽
pp. 1224-1226
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Keyword(s):