1. D. Giulini et al.: Decoherence and the Appearance of a Classical world in Quantum Theory (Springer, Heidelberg 1996)
2. Lecture Notes in Physics,2000
3. M. Tegmark, J. A. Wheeler: Scientific American (February 2001). Also: Spektrum der Wissenschaft (April 2001), with an additional comment by H. D. Zeh
4. W. H. Zurek: Physics Today (October 1991)
5. J. P. Paz, W. H. Zurek: 72nd Les Houches Summer School, July–August 1999. See also preprint arXiv:quant-ph/0010011