1. and Calculations of High Speed Tracked Vehicles in Polish i;Chodkowski;Design,1990
2. Tractors Theory of Motion in Polish i;Dajniak;Design,1985
3. crawler vehicles http www inuktun com crawler vehicles;Inuktun,2012
4. In Flat Pipeline Inspection Robot with Two Wheel Chains In on and Shanghai China;Kwon;IEEE International Conference Robotics Automation,2011
5. The project of tank inspection robot In Key EngineeringMaterials;Giergiel,2012