Pepper, Darrell W., et al. “A Meshless Method Using Global Radial Basis Functions for Creating 3-D Wind Fields from Sparse Meteorological Data”. Computer Assisted Methods in Engineering and Science, vol. 21, no. 3–4, Jan. 2017, pp. 233-4, https://cames3.ippt.pan.pl/index.php/cames/article/view/42.