TY - RPRT TI - Hydraulic High Pressure Valve Controller Using the In-Situ Pressure Difference AU - Bao, Xiaoqi AU - Sherrit, Stewart AU - Badescu, Mircea AU - Bar-Cohen, Yoseph AU - Hall, Jeffery L. PY - 2016 UR - https://ntrs.nasa.gov/citations/20160005719 ID - 20160005719 ER -