00552 a2200145 4500020002600000035001300026037004400039082001200083100002400095245012200119260003600241270007100277300003400348700002400382 a9788177587715c299.00 aB-211111 bRP-BLI-396 / UBH-07-08:6 / RP-07-08:ENG14a629.8951 aHackwworth, John R.1 aProgrammable logic controllersbprogramming methods and applicationscby John R. Hackworth and Frederick D. Hackworth aDelhibDorling Kindersleyc2007 a14 Local Shopping Centre,Panchsheel ParkbNew DelhicDelhie110017 a315 pc24 cm (pbk)e1 CD-ROM aHackwworth, John R.