TY - ADVS AU - Hackworth, John R. AU - Hackworth, Frederick D. TI - Programmable Logic Controllers: Programming Methods and Applications SN - 9788177587715 U1 - DCG00331 PY - 2004/// CY - New Delhi PB - Dorling Kindersley (India) Pvt. Ltd. KW - Electrical Engineering N1 - D0007466 ER -