A history of engineering and science in the Bell system : switching technology (1925-1975) /
prepared by A.E. Joel Jr... [et al ] : G.E. Schindler Jr., Editor. -
- New Jersey: Bell Telephone Laboratories,Inc, 1982
- xiv,639 p. : ill.,diars.,photos. graphs.
Includes bibliographies
0932764029
Telephone systems . Telephone,automatic. Bell Telephone, automatic,Incorporated