00506nam 2275107 450000100060000000300230000600500090002900800410003808200080007907200370008702000150012410000170013926000310015625000060018724500200019365000370021365000270025065000370027775107StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aIntruder alarm detection devices a0-75063238 aGerard Honey bNEWNES-Butterworths c2000 a2 aintruder alarms aIntruder alarm detection devices aIntruder alarm systems aIntruder alarm systems circuitry