Harrison, SK; Balme, MR; Hagermann, A; Murray, JB; Muller, J-P; Wilson, A; (2013) A branching, positive relief network in the middle member of the Medusae Fossae Formation, equatorial Mars—Evidence for sapping? Planetary and Space Science , 85 142 - 163. 10.1016/j.pss.2013.06.004. Green open access