@article{ortizberenguer2005multiple, title = {Multiple Piano Note Identification Using a Spectral Matching Method with Derived Patterns}, author = {Ortiz-Berenguer, Luis I. and Casajús-quirós, Francisco J. and Torres-Guijarro, Soledad}, journal = {J. Audio Eng. Soc}, volume = {53}, number = {1/2}, pages = {32--43}, year = {2005}, url = {https://www.aes.org/e-lib/browse.cfm?elib=13387} }