000 00256nam a2200097Ia 4500
008 230508s2007 xx 000 0 und d
041 _aeng
100 _aWEBB JOHN W
245 _aPROGRAMMABLE LOGIC CONTROLLERS
260 _bPRENTICE HALL OF INDIA
_c2007
_g2006
999 _c326877
_d326877