Finding a Majority When Sorting is Not Available. - D. Campbell; T. McNeill (Comput. J., 1991)

Reliable Stair Climbing in the Simple Hexapod 'RHex'. - E. Z. Moore; D. Campbell; Felix Grimminger; Martin Buehler (ICRA, 2002)

Preliminary Bounding Experiments in a Dynamic Hexapod. - D. Campbell; Martin Buehler (ISER, 2002)

Stair descent in the simple hexapod 'RHex'. - D. Campbell; Martin Buehler (ICRA, 2003)