M.~Romero-Bastida., and F. Tejeda-Méndez. “Characterization of Thermal Rectification in Asymmetrical-Structured Materials With Inhomogeneous Mass Distribution”. Revista Mexicana De Física, vol. 62, no. 2 Mar-Apr, Jan. 2016, pp. 168-74, doi:10.31349/RevMexFis.62.2.168.