Barrios Puerto, David. “Intrinsic and Extrinsic Scattering and Absorption Coefficients New Equations in Four-Flux and Two-Flux Models Used for Determining Light Intensity Gradients”. Journal of Optics and Photonics Research 1, no. 3 (April 30, 2024): 131–144. Accessed November 21, 2024. https://ojs.bonviewpress.com/index.php/JOPR/article/view/2261.