Toward extraplanetary under-ice exploration: Robotic steps in the Arctic. - Clayton Kunz; Chris Murphy; Hanumant Singh; Claire Pontbriand; Robert A. Sohn; Sandipa Singh; Taichi Sato; Christopher N. Roman; Ko-ichi Nakamura; Michael V. Jakuba; Ryan M. Eustice; Richard Camilli; et al. (J. Field Robotics, 2009)