Title :
Advance Planning of the Telephone Toll Plant
Author_Institution :
Outside Plant Engineer, Pacific Tel. & Tel. Co., San Francisco, Calif.
Keywords :
Communication switching; Companies; Costs; Independent component analysis; Instruments; Telephony; Urban areas; Wires;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1928.5054926