John, K., & Tiegelkamp, M. (2001). IEC 61131-3: programming industrial automation systems: Concepts and programming languages, requirements for programming systems, aids to decision-making tools. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)John, Karl-Heinz, και Michael Tiegelkamp. IEC 61131-3: Programming Industrial Automation Systems: Concepts and Programming Languages, Requirements for Programming Systems, Aids to Decision-making Tools. Berlin: Springer, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)John, Karl-Heinz, και Michael Tiegelkamp. IEC 61131-3: Programming Industrial Automation Systems: Concepts and Programming Languages, Requirements for Programming Systems, Aids to Decision-making Tools. Springer, 2001.
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