TY  - BOOK
AU  - Held, Gil (Gilbert)
AU  - Sarch, Ray
TI  - Data communication: a comprehensive approach
SN  - 70289495
U1  - 005.71 
PY  - 0000///[n.d.]
CY  - New York
PB  - McGraw Hill
KW  - Data transmission systems
KW  - Computer networks
N1  - McGraw-Hill series on computer communucation
ER  -