TY  - GEN
AU  - 20080729                     
AU  - Friend,George E.
AU  - Luecke,Gerald
AU  - Battle,Charles W.
AU  - Held,Gilbert
TI  - Understanding data communications
SN  - 0672272709 (pbk.) :
U1  - 621.382 
PY  - 1996///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Data transmission systems
N1  - Includes index; Bibliography: p. 283
ER  -