TY  - BOOK
AU  - Rossberg,Ehrhard A.
AU  - Korta,Helmut E.
TI  - Teleprinter switching
U1  - 621.3825 23
PY  - 1960///
CY  - Princeton, N.J.
PB  - Van Nostrand
KW  - Teletypewriters
N1  - Includes index
ER  -