Juan-Chen Huang, Kun Xu & Pubing Yu. (2020). A Unified Gas-Kinetic Scheme for Continuum and Rarefied Flows III: Microflow Simulations.
            <i>Communications in Computational Physics</i>. <i>14</i> (5).
            1147-1173.
         doi:10.4208/cicp.190912.080213a