TY  - BOOK
AU  - Held,Gilbert
TI  - Internetworking LANs and WANs: concepts, techniques and methods 
SN  - 0471975141
AV  - TK5105.7  .H444 1998
PY  - 1998///
CY  - New York
PB  - McGraw-Hill
KW  - Local area networks (Computer networks)
KW  - Wide area networks (Computer networks)
KW  - Internetworking (Telecommunication)
ER  -