1. J.F. Byrne, H. Marsh, in: J.W. Patrick (Ed.), Porosity in Carbons: Characterization and Applications, Edward Arnold, London, 1995, Chapter 1.
2. D.W. van Krevelen, COAL Typology—Physics–Chemistry Constitution, Elsevier, Amsterdam, 1993, p. 570.
3. B. McEnaney, T.J. Mays, in: H. Marsh (Ed.), Introduction to Carbon Science, Butterworths, London, 1989, Chapter 5.
4. The Elastic Constants of a Solid containing Spherical Holes
5. Effect of Porosity on Physical Properties of Sintered Alumina