TY - RPRT TI - In-FEEP ion beam neutralization with thermionic and field emission cathodes AU - Marrese, C. AU - Polk, J. AU - Mueller, J. AU - Owens, A. AU - Tajmar, M. AU - Fink, R. AU - Spindt, C. PY - 2002 UR - https://ntrs.nasa.gov/citations/20060030652 ID - 20060030652 ER -