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