1) Feldman, W. C., Maurice, S., Binder, A. B., Barraclough, B. L., Elphic, R. C. and Lawrence, D. J.: Fluxes of Fast and Epithermal Neutrons from Lunar Prospector, Evidence for Water Ice at the Lunar Poles, Science, 281(1998), pp.1496-1500.
2) Kawashima, N.: The Importance of the Development of a Rover for the Direct Confirmation of the Existence of Ice on the Moon, Trans. Jpn. Soc. Aeronaut. Space Sci., 43(2000), pp.34-35.
4) Takeda, K., Tanaka, M., Miura, S., Hashimoto, K. and Kawashima, N.: Laser Power Transmission for the Energy Supply to the Rover Exploring Ice on the Bottom of Craters in the Lunar Polar Region, Proceedings of SPIE, Vol. 4632, 2002, pp. 223-227.