@article{shaw1990introduction, title = {Introduction to Volume 38, Number 4, on Loudspeaker Arrays}, author = {Shaw, Neil A.}, journal = {J. Audio Eng. Soc}, volume = {38}, number = {4}, pages = {203}, year = {1990}, url = {https://www.aes.org/e-lib/browse.cfm?elib=6034} }