@article{hrm2011classification, title = {Classification of Time–Frequency Regions in Stereo Audio}, author = {Härmä, Aki}, journal = {J. Audio Eng. Soc}, volume = {59}, number = {10}, pages = {707--720}, year = {2011}, url = {https://www.aes.org/e-lib/browse.cfm?elib=16109} }