000 00244nam a2200097Ia 4500
008 230508s2008 xx 000 0 und d
041 _aeng
100 _aWEBB JOHN
245 _aPROGRAMMABLE LOGIC CONTROLLERS
260 _bPEARSON EDU.
_c2008
_g2008
999 _c321122
_d321122