TY  - BOOK
AU  - Fry, L., ed.
AU  - Z. Sekanina, ed.
TI  - The comet Halley archive summary volume
PY  - 1991///
CY  - Washington
PB  - National Aeronautics and Space Administration
KW  - Astronomy network
KW  - Nucleus studies
KW  - Radio science
ER  -