000 00251nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aBOLTON (W)
245 0 _aPROGRAMMABLE LOGIC CONTROLLERS
250 _aIV
260 _bELSEVIER
942 _2ddc
_cMCA
999 _c13345
_d13345