Software Modeling of S-Metrics Visualizer: Synergetic Interactive Metrics Visualization Tool. - Sergiu M. Dascalu; Norm Brown; Derek A. Eiler; Herman W. Leong; Nathan A. Penrod; Brian T. Westphal; Yaakov L. Varol (Software Engineering Research and Practice, 2005)

Neuro-evolving maintain-station behavior for realistically simulated boats. - Nathan A. Penrod; David Carr; Sushil J. Louis; Bobby D. Bryant (IEEE Congress on Evolutionary Computation, 2008)