Theory of the luminescence of porous silicon, C. Delerue et al; spectroscopic identification of the luminescence mechanism of highly porous silicon, P.D.J. Calcott et al; the luminescence of porous Si - the case for the surface state mechanism, F. Koch et al; photoluminescence and electroluminescence from electrochemically oxidized porous silicon layers, F. Muller et al; electrical properties of luminescent porous silicon, H. Koyama and N. Koshida; defect and structure analysis of n+-, p+- and p-type porous silicon by the electron paramagnetic resonance technique, H.J. van Bardeleben et al; low-energy scanning cathodoluminescence spectroscopy and microscopy of porous silicon layers, M. Gu et al; luminescence and optical properties of siloxene, M. Stutzmann et al; aging phenomena of light emitting porous silicon, T. Ito and A. Hiraki; porous silicon electroluminescent devices, W. Lang et al.