TY - RPRT TI - Ion Beam Characterization of a NEXT Multi-Thruster Array Plume AU - Pencil, Eric J. AU - Foster, John E. AU - Patterson, Michael J. AU - Diaz, Esther M. AU - Van Noord, Jonathan L. AU - McEwen, Heather K. PY - 2006 UR - https://ntrs.nasa.gov/citations/20060056314 ID - 20060056314 ER -