Luu, D. D., C. D. Hanh, and N. X. Tru. “New Method for Building Vector of Diagnostic Signs to Classify Technical States of Marine Diesel Engine by Torsional Vibrations on Shaft-Line”. Sustainable Marine Structures, vol. 2, no. 2, Apr. 2021, pp. 35-38, doi:10.36956/sms.v2i2.330.