1. McNab, R.J., et al.: The New Zealand Digital Library MELody inDEX. D-Lib Magazine (1997)
2. Barlow, H., Morgenstern, S.: A Dictionary of Musical Themes. Faber and Faber, London (1991)
3. ISMIR: International Conference on Music Information Retrieval (2001), http://www.ismir.net/
4. Clausen, M., Engelbrecht, R., Meyer, D., Schmitz, J.: PROMS: A Web-based Tool for Searching in Polyphonic Music. In: Proceedings Intl. Symp. on Music Information Retrieval 2000, Plymouth, M.A., USA (2000)
5. Clausen, M., Kurth, F.: A Unified Approach to Content-Based and Fault Tolerant Music Recognition. IEEE Transactions on Multimedia (2003) (accepted for publication)