An introduction to automatic telephony; for the undergraduate students of tele-communication and electrical engineering.
Das, P. N.
An introduction to automatic telephony; for the undergraduate students of tele-communication and electrical engineering. - [1st ed.] - Calcutta, Modern Book Agency [1963] - 212 p. illus. 22 cm.
Bibliography: p. 207-208.
sa 64000289
Telephone, Automatic.
TK6397 / .D3
An introduction to automatic telephony; for the undergraduate students of tele-communication and electrical engineering. - [1st ed.] - Calcutta, Modern Book Agency [1963] - 212 p. illus. 22 cm.
Bibliography: p. 207-208.
sa 64000289
Telephone, Automatic.
TK6397 / .D3