@conference{ortizberenguer2004non, title = {Non Linearity Modeling for Spectral Pattern Recognition in Piano Chords}, author = {Ortiz-Berenguer, Luis and Casajus-Quiros, F. Javier}, booktitle = {Audio Engineering Society Convention 116}, month = {May}, year = {2004}, url = {https://www.aes.org/e-lib/browse.cfm?elib=12658} }