000 00287nam a2200121Ia 4500
008 220201s2004 xx 000 0 eng d
082 _a621.381537
_bWEB
100 _aWebb & Reis
245 0 _aProgrammable logic controller
260 _aDelhi
_bPHI
_c2004
300 _a460
942 _2ddc
999 _c37041
_d37041