1. How entropy got its name
2. Balian, R. (1982) From Microphysics to Macrophysics : Methods and Applications of Statistical Physics, Volume I and II. Springer-Verlag Berlin, Heidelberg, New York.
3. Bluhm, J. (1996) A consistent model for saturated and empty porous media. Habilitation thesis. Universität-GH Essen.