Ehlers, Jürgen Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Ehlers_CIME.pdf (Any fulltext), 10MB
Ehlers, J. (2011). General-Relativistic Kinetic theory of gas. In Relativistic Fluid Dynamics: Lectures given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.) (pp. 301-388).