000 00295nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _a621.3848
100 _aWeber, Charles L
245 0 _aElements of detection & sighel design
260 _bMc Graw Hill
_c1968
300 _a289
942 _2ddc
999 _c78433
_d78433