TY  - GEN
AU  - Russell, Deborah
AU  - Gangemi, G.T
TI  - Computer security basics
SN  - 0937175714
U1  - 005.8 
PY  - 1991///
CY  - Sebastopol
PB  - O'Reilly
KW  - COMPUTER SCIENCE
KW  - SOIL CONTENT ANALYSIS
UR  - https://opac.lib.ruh.ac.lk/cgi-bin/koha/opac-retrieve-file.pl?id=40fbdd7f42d9af46d989694cd9fea7a1
ER  -