TY  - RPRT
TI  - Navigation system design for a Halley sample return mission
AU  - Wood, L. J.
AU  - Craig, S. L.
AU  - Yeomans, D. K.
AU  - Bergam, M. J.
PY  - 1982
UR  - https://ntrs.nasa.gov/citations/19820038521
ID  - 19820038521
ER  -