000			00522nam a22001697a 4500
008			171110b2003 xxu||||| |||| 00| 0 eng d
020			_a9788120323087
082			_a629.89 _bWEB
100			_aWebb John W.
245			_aProgrammable logic controllers _bPrinciples and applications _cJohn W. Webb
250			_a5th ed.
260			_aDelhi: _bPHI Learning, _c2013.
300			_axv, 460 p. _c26 cm.
504			_a“It Includes bibliographical references (p.441-455) and index”
700			_aReis Ronald
942			_cBK
999			_c242314 _d242314