Multi-criteria Set Partitioning for Portfolio Management: A Visual Interactive Method. - Raj Subbu; Gregory Russo; Kete Charles Chalermkraivuth; José R. Celaya (MCDM, 2007)

Modeling and Analysis of Multi-agent Systems using Petri Nets. - José R. Celaya; Alan A. Desrochers; Robert J. Graves (J. Comput., 2009)