TY - RPRT TI - Ion beam plume and efflux characterization flight experiment study AU - Sellen, J. M., Jr. AU - Zafran, S. AU - Cole, A. AU - Rosiak, G. AU - Komatsu, G. K. PY - 1977 UR - https://ntrs.nasa.gov/citations/19780004197 ID - 19780004197 ER -