Rizzo, G., Massarotti, G. P., Bonanno, A., Paoluzzi, R., Raimondo, M., Blosi, M., Veronesi, F., Caldarelli, A., & Guarini, G. (2018). Axial piston pumps slippers with nanocoated surfaces to reduce friction. International Journal of Fluid Power, 16(1), 1–10. https://doi.org/10.1080/14399776.2015.1006979