TY  - BOOK
TI  - Information technology: an introduction
SN  - 0867290374
AV  - TK5105 .Z67 1982#
PY  - 1982///
CY  - White Plains, NY.
PB  - Knowledge Industry Publicatios
KW  - Computer networks
KW  - Data transmission systems
KW  - Information technology
KW  - Telecommunications
ER  -