History of engineering and science in the bell system: Switching technology (1925-1975)
History of engineering and science in the bell system: Switching technology (1925-1975)
- Indianapolis: AT&T Bell Laboratories, 1982
- xiv, 639p.
Telecommunication
Electronics
D 621.395.212''1925/1975'' / M2
Telecommunication
Electronics
D 621.395.212''1925/1975'' / M2