Petri nets for robot lattices. - Z. Ning Cai; A. Farnham; A. Ghalwash; Pedro Gómez 001; Victoria Rodellar; Robert Newcomb 001 (ICRA, 1987)

Millimeter-Wave Weapons Detection System. - Dalma Novak; Rod B. Waterhouse; A. Farnham (AIPR, 2005)