TY - RPRT TI - Flexible Approximation Model Approach for Bi-Level Integrated System Synthesis AU - Sobieszczanski-Sobieski, Jaroslaw AU - Kim, Hongman AU - Ragon, Scott AU - Soremekun, Grant AU - Malone, Brett PY - 2004 UR - https://ntrs.nasa.gov/citations/20040120962 ID - 20040120962 ER -