NanoKhod Exploration Rover - A Rugged Rover Suited for Small, Low-Cost, Planetary Lander Mission. - Andre Schiele; Jens Romstedt; Christopher Lee; Hartmut Henkel; Sabine Klinkner; Reinhold Bertrand; Rudolf Rieder; Ralf Gellert; Göstar Klingelhöfer; Bodo Bernhardt; Harald Michaelis (IEEE Robotics Autom. Mag., 2008)