Grooved Terrain on Ganymede: First Results from Galileo High-Resolution Imaging - Pappalardo, Robert; Head, James; Collins, Geoffrey; Kirk, Randolph; Neukum, Gerhard; Oberst, Jurgen; Giese, Bernd; Greeley, Ronald; Chapman, Clark; Helfenstein, Paul; Moore, Jeffrey M.; McEwen, Alfred; et al. (Icarus, 1998)