@article{hawksford2003smart, title = {Smart Digital Loudspeaker Arrays}, author = {Hawksford, Malcolm J.}, journal = {J. Audio Eng. Soc}, volume = {51}, number = {12}, pages = {1133--1162}, year = {2003}, url = {https://www.aes.org/e-lib/browse.cfm?elib=12189} }