J. Dolbeault. On long time asymptotics of the Vlasov-Poisson-Boltzmann system. In Nonlinear kinetic theory and mathematical aspects of hyperbolic systems (Rapallo, 1992), volume 9 of Ser. Adv. Math. Appl. Sci., pages 115–-123. World Sci. Publ., River Edge, NJ, 1992.