Avril, Stéphane, Pierre Feissel, Fabrice Pierron, and Pierre Villon. 2008. “Estimation of the Strain Field from Full-Field Displacement Noisy Data: Comparing Finite Elements Global Least Squares and Polynomial Diffuse Approximation”. European Journal of Computational Mechanics 17 (5-7):857 to 868. https://doi.org/10.13052/REMN.17.857-868.