R.K. Megalingam, S. Tantravahi, H.S.S.K. Tammana, N. Thokala, H.S.R. Puram, N. Samudrala "ROS Based Multimode Control of Wheeled Robot", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 688-696 (2020).