W K Hartmann

Early views of the martian surface from the Mars Orbiter Camera of Mars Global Surveyor.

M E Davies, M C Malin, L A Soderblom, 1998, Science.

Hektor: The Largest Highly Elongated Asteroid

D P Cruikshank, W K Hartmann, 1980, Science.

Mariner 9 Television Reconnaissance of Mars and Its Satellites: Preliminary Results

M E Davies, J Lederberg, D. J. Milton, 1972, Science.