Wetter, Michael, Philip  Haves, Michael A Moshier, and Edward F Sowell. "Using SPARK as a solver for Modelica." Proc. of the 3rd SimBuild Conference 2008. LBNL-634E.

Wetter, Michael, Philip  Haves, Michael A Moshier, and Edward F Sowell. "Using SPARK as a Solver for Modelica." SimBuild 2008. Berkeley, CA, USA, 2008.

Sowell, Edward F, Michael A Moshier, Philip  Haves, and Dimitri  Curtil. "Graph-Theoretic Methods in Simulation Using SPARK." High Performance Computing Symposium of the Advanced Simulation Technologies Conference (Society for Modeling Simulation International) 2004.

Sowell, Edward F, Michael A Moshier, and Philip  Haves. "Graph-theoretic Methods in Simulation Using SPARK." High Performance Computing Symposium of the Advanced Simulation Technologies Conference 2004.

Sowell, Edward F, and Philip  Haves. "Efficient Solution Strategies for Building Energy System Simulation." Energy and Buildings 33 (2001) 309-317. LBNL-45936.

Sowell, Edward F, and Philip  Haves. "Numerical Performance of a Graph-Theoretic HVAC Simulation Program." Building Simulation ?99 1999.

Haves, Philip, and Edward F Sowell. "The application of Problem Reduction Techniques Based on Graph Theory to the Simulation of Non-Linear Continuous Systems." EUROSIM?98 1998: pp. 203-207.

Haves, Philip, and Edward F Sowell. "Component-Based and Equation-Based Solvers for HVAC Simulation: a Comparison of HVACSIM+ and SPARK." System Simulation in Buildings '98 1998.