TY  - RPRT
TI  - Phobos: Close encounter imaging from the Viking Orbiters
AU  - Duxbury, T. C.
AU  - Callahan, J. D.
AU  - Ocampo, A. C.
PY  - 1984
UR  - https://ntrs.nasa.gov/citations/19840024260
ID  - 19840024260
ER  -