TY  - BOOK
AU  - Zorkoczy,Peter
AU  - Heap,Nicholas
TI  - Information technology: an introduction 
SN  - 0273605917
PY  - 1995///
CY  - London
PB  - Pitman
KW  - Telecommunication
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes index
ER  -