On the origin of quasi-elastic light scattering in glasses V. N. Novikov, N. V. Surovtsev, J. Wiedersich, S. Adichtchev, S. Kojima and E. Rössler Europhys. Lett., 57 6 (2002) 838-844 Published online: 01 August 2002 DOI: 10.1209/epl/i2002-00587-x