1. (1) INCOSE Systems Engineering Handbook 4e 2015 07
2. (2) NASA systems engineering handbook. NASA SP-2016-6105 Rev2 supersedes SP-2007-6105 Rev 1
3. (3) Modelica Association: Modelica® - A Unified Object-Oriented Language for Systems Modeling Language Specification Version 3.4 (2017)
4. (4) IEEE 1076.1-2017 - IEEE Standard VHDL Analog and Mixed-Signal Extensions
5. (5) H. M. Kim, N. F. Michelena, P. Y. Papalambros, and T. Jiang : “Target Cascading in Optimal System Design”, Proceedings of the 2000 ASME Design, Engineering Technical Conferences. September 10-13, Baltimore, MD, DETC2000/DAC-14265 (2000)