1. Effect of impenetrable obstacles on vehicle operational speed;Brooks,1958
2. Geometric obstacle performance programs for conventional vehicles;Janosi,1968
3. Design and fabrication—Mobility exercise “A” test rigs;Spanski,1967
4. Research Rept. No. 6;Staff, Land Locomotion Laboratory,1966
5. Effect of snow cover on obstacle-crossing performance of vehicles;Hanamoto,1972