TY  - BOOK
AU  - Williams, Brian K.
AU  - Sawyer, Stacey C.
TI  - Using information technology
SN  - 9781259255663
U1  - 004 
PY  - 2015///
CY  - New York
PB  - McGraw-Hill
KW  - Telecommunication systems
KW  - Information technology
ER  -