A. J. Verbiscer, S. B. Porter, B. J. Buratti, H. A. Weaver, J. R. Spencer, M. R. Showalter, M. W. Buie, J. D. Hofgartner, M. D. Hicks, K. Ennico-Smith, C. B. Olkin, S. A. Stern, L. A. Young, A. Cheng: Phase Curves of Nix and Hydra from the New Horizons Imaging Cameras. In: The Astrophysical Journal. 852. Jahrgang, Nr.2, 12. Januar 2018, S.L35, doi:10.3847/2041-8213/aaa486, bibcode:2018ApJ...852L..35V.
Jason C. Cook, Cristina M. Dalle Ore, Silvia Protopapa, Richard P. Binzel, Richard Cartwright, Dale P. Cruikshank: Composition of Pluto's small satellites: Analysis of New Horizons spectral images. In: Icarus. 315. Jahrgang, Nr.1964, 15. November 2018, S.30–45, doi:10.1016/j.icarus.2018.05.024, bibcode:2017LPI....48.2478C.
A. J. Verbiscer, S. B. Porter, B. J. Buratti, H. A. Weaver, J. R. Spencer, M. R. Showalter, M. W. Buie, J. D. Hofgartner, M. D. Hicks, K. Ennico-Smith, C. B. Olkin, S. A. Stern, L. A. Young, A. Cheng: Phase Curves of Nix and Hydra from the New Horizons Imaging Cameras. In: The Astrophysical Journal. 852. Jahrgang, Nr.2, 12. Januar 2018, S.L35, doi:10.3847/2041-8213/aaa486, bibcode:2018ApJ...852L..35V.
Jason C. Cook, Cristina M. Dalle Ore, Silvia Protopapa, Richard P. Binzel, Richard Cartwright, Dale P. Cruikshank: Composition of Pluto's small satellites: Analysis of New Horizons spectral images. In: Icarus. 315. Jahrgang, Nr.1964, 15. November 2018, S.30–45, doi:10.1016/j.icarus.2018.05.024, bibcode:2017LPI....48.2478C.