TY  - BOOK
AU  - Marshall, Garry 
TI  - Beginner's guide to information technology
SN  - 0408014938
U1  - 025.0406 M3551b 
PY  - 1984///
CY  - London
PB  - Newnes Technical Books
KW  - Information communication
KW  - IT telecommunication
ER  -