A new astrometric measurement and reduction of USNO photographic observations of Phobos and Deimos: 1967–1997V. Robert, V. Lainey, D. Pascu, A. Pasewaldt, J.-E. Arlot, J.-P. De Cuyper, V. Dehant and W. ThuillotA&A, 582 (2015) A36DOI: https://doi.org/10.1051/0004-6361/201526977
