WEBB, JOHN W. PROGRAMMABLE LOGIC CONTROLLERS: PRINCIPLES AND APPLICATIONS. - 5TH .ED - NEW DELHI PHI LEARNING PRIVATE LIMITED 2003 - XV, 460P.; 24CM Y ISBN: 978-81-203-2308-7 Subjects--Topical Terms: 1. PROGRAMMABLE CONTROLLERS Subjects--Index Terms: Y LC Class. No.: TJ223 .P76 / .W43