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1. Telephony a detailed exposition of the telephone exchange systems of the British Post Office: a new edition of 'Telephony'by T.E. Herbert and W.S. Proctor. Vol. 2, Automatic exchange systems

by Atkinson, J.

Edition: 1st ed.Publisher: London Pitman Publishing 1950Availability: Items available for loan: Central Library, BUET [623.85/ATK/1950] (9).

2. Introduction to automatic telephony for the undergraduate students of tele-communication and electrical engineering

by Das, P. N.

Edition: 1st ed.Publisher: Calcutta Modern Book Agency 1975Availability: Items available for loan: Central Library, BUET [623.85/DAS/1975] (1).

3. Telephony and telegraphy an introduction to instruments and switching systems (electromechanical and reed-electronic)

by Smith, Sydney F.

Edition: 3rd ed.Publisher: New York Oxford University Press 1978Availability: Items available for loan: Central Library, BUET [623.85/SMI/1978] (2).

4. Telephony a detailed exposition of the telephone exchange systems of the britich post office

by Atkinson, J.

Edition: 1st ed.Publisher: London SIR Isaac Pitman & Sons 1948Availability: Items available for loan: Central Library, BUET [623.85/ATK/1948] (4).

5. Introduction to automatic telephony for the undergraduate students of tele-communication and electrical engineering

by Das, P.N.

Edition: 4th ed.Publisher: Calcutta Modern book 1975Availability: Items available for loan: Central Library, BUET [623.85/DAS/1975] (1).

6. Introduction to telephony and telegraphy

by Jolley, E. H.

Edition: 1st ed.Publisher: New York Hart Publishing 1968Availability: Items available for loan: Central Library, BUET [623.85/JOL/1968] (2).