TY  - BOOK
AU  - Silver,Gerald A.
AU  - Silver,Myrna
TI  - Data communications for business
SN  - 0878352309
PY  - 1987///
CY  - Boston : 
PB  - Boyd & Fraser, 
KW  - Business
KW  - Communication systems
KW  - Data transmission systems
N1  - Includes index
ER  -