Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
1959 Vol. 78; Iss. 5
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Indialing to PBX extensions: Application in a step-by-step central office area
Schleinkofer, G. NormanVolume:
78
Year:
1959
Language:
english
Journal:
Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
DOI:
10.1109/tce.1959.6372860
File:
PDF, 1.61 MB
english, 1959