Chen, Xiaolan; Yu, Guoming; Fang, Jian; Lv, Zean: 'Roughness optimisation of textured surface for the gap seal hydraulic cylinder', The Journal of Engineering, 2020, 2020, (12), p. 1165-1170, DOI: 10.1049/joe.2020.0182 IET Digital Library, https://digital-library.theiet.org/;jsessionid=2o4tdl95tvo7j.x-iet-live-01content/journals/10.1049/joe.2020.0182