@article{rumsey2020loudspeaker, title = {Loudspeaker technology for the 21st century}, author = {Rumsey, Francis}, journal = {J. Audio Eng. Soc}, volume = {68}, number = {11}, pages = {879--884}, year = {2020}, url = {https://www.aes.org/e-lib/browse.cfm?elib=21003} }