1. Lunar Reconnaissance Orbiter Overview: the instrument suite and mission;Chin;Space Science Reviews,2007
2. Clegg, R.N., Jolliff, B.L., 2012. Photometric analysis of the Apollo landing sites. In: 43rd Lunar and Planetary Science Conference. LPI Houston. 2030.pdf.
3. The structure and geological–morphological features of the landing region of the Luna 20 automatic probe;Florensky;Doklady of the USSR Academy of Sciences,1972
4. Florensky, K.P., Basilevsky, A.T., Pronin, A.A., 1974. Geologo-Morphological Characteristics of the Landing Site of Luna 16 Automatic Station. In Lunar soil from the Sea of Fertility, NASA Technical Translation TT-F15881, pp. 19–26.
5. Theory of Reflectance and Emittance Spectroscopy;Hapke,2012