Francisco Alhama., Juan Francisco López-Sánchez., ., and C. F. González-Fernández. “Transient Heat Conduction in a Plate With Variable Thermal Conductivity and Non-Linear Boundary Conditions by Network Simulation Method”. Revista Mexicana De Física, vol. 45, no. 5, Jan. 1999, pp. 449-53, https://rmf.smf.mx/ojs/index.php/rmf/article/view/2891.