TY  - BOOK
AU  - Trimmer,William H
TI  - Understanding and servicing alarm systems
SN  - 9780750672061 (hardback)
PY  - 1999///
CY  - Boston
PB  - Butterworth Heinemann
KW  - Burglar alarms
KW  - Fire alarms
N1  - Includes index
ER  -