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Atualizado em 13/05/2026 · De todos da iMusic
![Cover for E W Sachs · System Modeling and Optimization XX: IFIP TC7 20th Conference on System Modeling and Optimization July 23–27, 2001, Trier, Germany - IFIP Advances in Information and Communication Technology (Paperback Book) [Softcover reprint of the original 1st ed. 2003 edition] (2013)](https://imusic.b-cdn.net/images/item/original/691/9781475766691.jpg?e-w-sachs-2013-system-modeling-and-optimization-xx-ifip-tc7-20th-conference-on-system-modeling-and-optimization-july-23-27-2001-trier-germany-ifip-advances-in-information-and-communication-technology-paperback-book&class=scaled&v=1401280891)
![Cover for E W Sachs · System Modeling and Optimization XX: IFIP TC7 20th Conference on System Modeling and Optimization July 23-27, 2001, Trier, Germany - IFIP Advances in Information and Communication Technology (Hardcover Book) [2003 edition] (2003)](https://imusic.b-cdn.net/images/item/original/650/9781402075650.jpg?e-w-sachs-2003-system-modeling-and-optimization-xx-ifip-tc7-20th-conference-on-system-modeling-and-optimization-july-23-27-2001-trier-germany-ifip-advances-in-information-and-communication-technology-hardcover-book&class=scaled&v=1579457062)