TY - RPRT TI - Backscatter Intensity and Sun-Illuminated Sea Floor Topography of Quadrangles 1 and 2 AU - Page C. Valentine AU - Tammie J. Middleton AU - Sarah J. Fuller PY - 2002 DO - 10.3133/i2698e UR - https://pubs.usgs.gov/publication/i2698E ID - i2698E ER -