Acknowledgements

Many people have given us invaluable help since this project began in 2003. We would like to thank those people.

• Per Moeller, Nokia
• Harri Pennanen, Nokia
• Martin Østergaard, Sonofon
• Christoph Maire, Gate 5
• Clemens Gühmann, TU Berlin
• Gert Frølund Pedersen, AAU
• Hans Peter Schwefel, AAU
• Martin Mauve, Heinrich Heine University
• Michael Stini, Heinrich Heine University
• Tatiana Kozlova Madsen, AAU
• Kasper Rodil