Keywords: Modelica; Ptolemy II; hierarchical system modeling; concurrent systems
Proceedings of the 10th International Modelica Conference; March 10-12; 2014; Lund; Sweden
 Christopher Brooks, Edward A. Lee, Xiaojun Liu, Stephen Neuendorffer, Yang Zhao,Haiyang Zheng, Heterogeneous Concurrent Modeling and Design in Java (Volume 1: Introduction to Ptolemy II) , April 1, 2008.
 Christopher Brooks, Edward A. Lee, Xiaojun Liu, Stephen Neuendorffer, Yang Zhao, Haiyang Zheng, Heterogeneous Concurrent Modeling and Design in Java (Volume 2: Ptolemy II Software Architecture), April 1, 2008.
 Peter Fritzson. Principles of Object-Oriented Modeling and Simulation with Modelica 2.1, 940 pages, Wiley-IEEE Press, 2004.
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 Johan Eker, J√∂rn W. Janneck, Edward A. Lee, Fellow, Ieee, Jie Liu, Xiaojun Liu, Jozsef Ludvig, Stephen Neuendorffer, Sonia Sachs, And Yuhong Xiong, Taming Heterogeneity-The Ptolemy Approach, Proceedings Of The IEEE, Vol. 91, No. 1, Jan. 2003.
 UsingVergil, http://ptolemy.eecs.berkeley.edu/ptolemyII/ptIIlatest/ptII/doc/design/usingVergil/usingVergil.pdf, Last Accessed June 2013.
 Michael Wetter, Co-simulation of building energy and control systems with the Building Controls Virtual Test Bed, Journal of Building Performance Simulation, Volume 4, Issue 3, 2011
 David Broman, Christopher Brooks, Lev Greenberg, Edward A. Lee, Michael Masin, Stavros Tripakis and Michael Wetter, Determinate Composition of FMUs for Co-Simulation, EECS Department University of California, Berkeley Technical Report No. UCB/EECS-2013-153 August 18, 2013