TY  - RPRT
TI  - The International Cometary Explorer comet encounter and earth-return trajectory
AU  - Roberts, Craig E.
AU  - Dunham, David W.
AU  - Farquhar, Robert W.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19900056478
ID  - 19900056478
ER  -