TY  - RPRT
TI  - Report on active and planned spacecraft and experiments
AU  - Schofield, N. J., Jr.
AU  - Littlefield, R. G.
AU  - Elsen, M. F.
PY  - 1985
UR  - https://ntrs.nasa.gov/citations/19860003875
ID  - 19860003875
ER  -