Programmable Logic Controllers,W. Bolton

Loose Leaf for Programmable Logic Controllers by Frank D. Petruzella

Programmable Logic Controllers - Bolton, William

Programmable Logic Controllers By Bolton, William William Bolton

Programmable Logic Controllers: - Hardcover, by Webb John W.; - Very Good

Introduction to Programmable Logic Controllers by Gary A. Dunning

Programmable Logic Controllers the Complete Guide to the Technology

Programmable Logic Controllers by James A Rehg: Used