Air operations modeling in a wargaming environment. - Paul E. Rubin; Joseph L. Sowers (WSC, 1988)

TCDL - an expert system language for wargaming. - Joseph L. Sowers; Paul E. Rubin (WSC, 1989)

Reversing course: Issues in modeling legacy systems. - Joseph L. Sowers; Paul E. Rubin (Telecommun. Syst., 2001)