TY - RPRT TI - Development Status of High-Thrust Density Electrostatic Engines AU - Patterson, Michael J. AU - Haag, Thomas W. AU - Foster, John E. AU - Young, Jason A. AU - Crofton, Mark W. PY - 2017 UR - https://ntrs.nasa.gov/citations/20170007956 ID - 20170007956 ER -