Jianjun Li Dewen Jin Xiaoning Zhang Jichuan Zhang William A. Gruver An Electorheological Fluid Damper for Robots. 2631-2636 1995 conf/icra/1995 ICRA db/conf/icra/icra1995-3.html#LiJZZG95 http://dx.doi.org/10.1109/ROBOT.1995.525654