Chacón-Acosta, Guillermo, Inti Pineda, and Leonardo Dagdug. “Projection of Two-Dimensional Diffusion in a Curved Midline and Narrow Varying Width Channel on a Curved Surface”. Diffusion Fundamentals 20 (December 31, 2013). Accessed September 4, 2025. https://diffusion.publia.org/diffusion/article/view/729.