TY  - GEN
AU  - Williams, Brian K.
AU  - Sawyer, Stacey C.
TI  - Using Information Technology: A practical introduction to computer & communication 
SN  - 978-0073516882
U1  - 004 
PY  - 2015///
CY  - New York
PB  - McGraw Hill
KW  - Telecommunication system
KW  - Information technology
N1  - Includes bibliographical references and index
ER  -