Cui, Longfei, et al. “Design and Experiment of Electro Hydraulic Active Suspension for Controlling the Rolling Motion of Spray Boom”. International Journal of Agricultural and Biological Engineering, vol. 12, no. 4, Aug. 2019, pp. 72-81, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/4648.