TY  - BOOK
AU  - Thurwachter,Charles N.
TI  - Data and telecommunications: systems and applications 
SN  - 0137939108
AV  - TK5105 .T48 2000
U1  - 004.6 21
PY  - 2000///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes index
ER  -