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\bibitem[{Tronci}(1999)]{Tronci1999} Enrico Tronci. "Formally Modeling a Metal Processing Plant and its Closed Loop Specifications." In \textit{4th IEEE International Symposium on High-Assurance Systems Engineering (HASE)}, 151. Washington, D.C, USA: IEEE Computer Society, 1999. ISSN: 0-7695-0418-3. DOI: 10.1109/HASE.1999.809490.

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