1. The lunar regolith;McKay,1991
2. Physical properties of the lunar surface;Carrier,1991
3. Lunar near-surface structure;Cooper;Rev. Geophys. Space Phys.,1974
4. Shallow lunar structure determined from the passive seismic experiment;Nakamura;The Moon,1975
5. B.R. Tittman, M. Abdel-Gawad, R.M. Housley, Elastic velocity and Q factor measurements on Apollo 12, 14, and 15 rocks, in: Proceedings of the Third Lunar Science Conference, Houston, TX, January 10–13, 1972, vol. 3, MIT Press, Cambridge, MA, 1972, pp. 2565–2575.