Liu, G., Han, X., Xu, Y., Lam, K., & ALLIANCE, S. (2014). Material characterization of functionally graded material by means of elastic waves and a progressive-learning neural network.

Liu, G.R., X. Han, Y.G Xu, K.Y Lam, و SINGAPORE-MIT ALLIANCE. Material Characterization of Functionally Graded Material By Means of Elastic Waves and a Progressive-learning Neural Network. 2014.

Liu, G.R., et al. Material Characterization of Functionally Graded Material By Means of Elastic Waves and a Progressive-learning Neural Network. 2014.