TY  - GEN
AU  - Walker,Philip
TI  - Electronic security systems: better ways to crime prevention 
SN  - 0408026359 :
U1  - 621.3892,WAL 
PY  - 1988///
CY  - London, Boston
PB  - Butterworths
KW  - Electronic security systems
N1  - Part 1: Systems (Page-1), Part 2: Equipment (Page-91), Part 3: Implementation (Page-239)
ER  -