000 002530000a22001090004500
082 _a621.381
_bB27
100 _aBishop, Owen
245 _aElectronic projects for home security
260 _aNew Delhi
_bBPB
_c1992
300 _a141
650 _aElectronic Engineering
942 _cLM
999 _c8964
_d8964