TY  - BOOK
TI  - A History of engineering and science in the Bell System
SN  - 0932764002 (v. 2)
AV  - TK6023 .H57 1975
U1  - 621.385/0973 19
PY  - 1975///-<c1985   >
CY  - [New York]
PB  - The Laboratories
N1  - Vol. 3 prepared by A.E. Joel, Jr. and other members of the technical staff, Bell Telephone Laboratories; G.E. Schindler, Jr., editor
ER  -