Burbano Moreno, Álvaro Alexander, and Oscar Orlando Melo Martinez. “Linear Regression With Errors Not Normal: Generalized Hyperbolic Secant”. Ingeniería y Ciencia 11, no. 21 (January 1, 2015): 37–50. Accessed April 26, 2024. https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/2442.