@conference{coleman2013optimizing, title = {Optimizing the Planarity of Sound Zones}, author = {Coleman, Philip and Jackson, Philip and Olik, Marek and Pedersen, Jan Abildgaard}, booktitle = {Audio Engineering Society Conference: 52nd International Conference: Sound Field Control - Engineering and Perception}, month = {Sep}, year = {2013}, url = {https://www.aes.org/e-lib/browse.cfm?elib=16916} }