NASA Glenn Research Center text Cleveland, Ohio National Aeronautics and Space Administration, Glenn Research Center monographic Description based on: 2001; title from title screen (viewed May 2, 2006) Space vehicles Electric propulsion systems Hall effect devices Electric rocket engines Dynamics NAS 1.15/6: NAS 1.15/6: http://purl.access.gpo.gov/GPO/LPS69440 http://purl.access.gpo.gov/GPO/LPS69440 20160527184220.0 302124