URL https://www.researchgate.net/profile/Daniel-De-Las-Heras/publication/331195734/figure/fig2/AS:727862013358080@1550547235169/Excluded-area-solid-black-line-and-reconstructed-excluded-area-using-the-first-three_Q320.jpg
URL2 https://www.researchgate.net/figure/Excluded-area-solid-black-line-and-reconstructed-excluded-area-using-the-first-three_fig2_331195734
