TY - RPRT TI - Electric Propulsion Research and Development at NASA AU - Schmidt, George AU - Jacobson, David AU - Patterson, Michael AU - Ganapathi, Gani B. AU - Brophy, John R. AU - Hofer, Richard R. PY - 2018 UR - https://ntrs.nasa.gov/citations/20180004866 ID - 20180004866 ER -