1. Alexander, R.M.: The gaits of bipedal and quadrupedal animals, Int. J. Rob. Res. 3(2) (1984), 49–59.
2. Alexander, R.M.: Three uses for springs in legged locomotion, Int. J. Rob. Res. 9(2) (1990), 53–61.
3. Alexander, R.McN.: Energy Saving Mechanisms in Walking and Running, J. Exp. Biol. 160 (1991), 55–69.
4. Assaiante, C., and Ambland, B.: An ontogenetic model for the sensorimotor organization of balance in humans, Human Movement Science 14 (1995), 13–43.
5. Ayers, J.: A Reactive Ambulatory Robot Architecture for Operation in Current and Surge, Autonomous Vehicles in Mine Countermeasures Symposium, 1995.