SHARAD sounding radar on the Mars Reconnaissance Orbiterv. 112E05S05
Seu, Roberto, Phillips, R. J., Biccari, D., Orosei, R., Masdea, A., Picardi, G., Safaeinili, Ali, Campbell, Bruce A., Plaut, Jeffrey J., and Marinangeli, L. 2007. "SHARAD sounding radar on the Mars Reconnaissance Orbiter." Journal of Geophysical Research. E. Planets, 112 E05S05.