1. Ayers, P., Davis, G., Yantis, J., Kerrigan, S., 2012. Improving ROPS designs for agricultural tractors. In: Proceeding for the 2012 Safety Health Welfare in Agriculture (SHWA) Conference, Ragusa, Italy.
2. Development and evaluation of a computer-based ROPS design program (CRDP);Ayers;J. Agric. Safety Health,2016
3. Ebert, K., Ricketts, M., Lind, S., Riemenschneider, P., 2006. Tractor safety for landscaping and horticultural services industry. MF 2708. Kansas State University Agricultural Experiment Station and Cooperative Extension Service, Manhattan, Kansas.
4. Farm tractor rollover protection: Why simply getting rollover protective structures installed on all tractors is not sufficient;Hoy;J. Agric. Safety Health,2009
5. Effect of speed on foldable ROPS actuation forces;Khorsandi;J. Agric. Safety Health,2016