N. M. Nhan, D. C. Du, V. D. Trung, T. V. Anh and N. T. Trung, A new energy indicator in damage locating vector method (DLV) for detecting multiple damaged positions in beam and truss structures, Vietnam J. Mech. 38 (2016) 153–166. DOI: https://doi.org/10.15625/0866-7136/38/3/5807.