000 00280nam a2200109Ia 4500
020 _a9788177587715
100 _aJOHN R HACKWORTH FREDRICK
245 _aPROGRAMMABLE LOGIC CONTROLLERS: PROGRAMMING METHODS AND APPLICATIONS
250 _a1
260 _c2006
_bPEARSON
490 _aP8733
999 _c8768
_d8768