@conference{vanderkooy2003direct, title = {Direct-Radiator Loudspeaker Systems with High Bl}, author = {Vanderkooy, John and Boers, Paul M. and Aarts, Ronald M.}, booktitle = {Audio Engineering Society Convention 114}, month = {Mar}, year = {2003}, url = {https://www.aes.org/e-lib/browse.cfm?elib=12579} }