@conference{harma2002drawing, title = {Drawing Quality Maps of the Sweet Spot and Its Surroundings in Multichannel Reproduction and Coding}, author = {Harma, Aki S. and Lokki, Tapio and Pulkki, Ville}, booktitle = {Audio Engineering Society Conference: 21st International Conference: Architectural Acoustics and Sound Reinforcement}, month = {Jun}, year = {2002}, url = {https://www.aes.org/e-lib/browse.cfm?elib=11218} }