TY  - BOOK
AU  - Zorkoczy, Peter
TI  - Information technology : an introduction
SN  - 0273605917
PY  - 1990///
CY  - London
PB  - Pitman Publishing
KW  - Computer networks
KW  - Data transmission systems
KW  - Electronic mail systems
KW  - Information technology
N1  - Include index.:p.251-255
ER  -