1. Theory of the Contribution of Excitons to the Complex Dielectric Constant of Crystals
2. in: Confined Electrons and Photons - New Physics and Devices, edited by E. Burstein and C. Weisbuch (Plenum Press, New York, 1995), p. 57.
3. in: Confined Photon Systems - Fundamentals and Applications, edited by H. Benisty, J.-M. Gérard, R. Houdré, J. Rarity, and C. Weisbuch (Springer, Berlin, 1999), p. 173.
4. in: Electron and Photon Confinement in Semiconductor Nanostructures, edited by B. Deveaud, A. Quattropani, and P. Schwendimann (IOS Press, Amsterdam, 2003), p. 105.