TY  - BOOK
AU  - Black,Uyless D.
TI  - Physical level interfaces and protocols
SN  - 0818688246 (hbk.)
AV  - TK5105.5  .B53 1988
U1  - 004.6 22
PY  - 1988///
CY  - Los Angeles, CA
PB  - Computer Society Press
KW  - Computer network protocols
KW  - Standards
KW  - Computer interfaces
KW  - Modems
ER  -