TY  - BOOK
AU  - Powers,John T.
AU  - Stair,Henry H.
TI  - Megabit data communications: a guide for professional 
SN  - 0135735696
AV  - TK5105  .S74 1990
PY  - 1990///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Data transmission systems
ER  -