On the Topology of the Combinatorial Flag Varieties. - Alexandre V. Borovik; Israel M. Gelfand; D. A. Stone (Discret. Comput. Geom., 2002)

Design of robust fuzzy-logic control systems by multi-objective evolutionary methods with hardware in the loop. - Paul J. Stewart; D. A. Stone; Peter J. Fleming (Eng. Appl. Artif. Intell., 2004)