Tran, Thi-Thao, and Van-Truong Pham. “A Variational Mode Decomposition Based Approach for Cardiopulmonary Resuscitation Estimation and Assessment”. <i>Vietnam Journal of Science and Technology</i>, vol. 57, no. 1, Feb. 2019, pp. 92-101, doi:10.15625/2525-2518/57/1/12964.