@conference{akiho1998lightweight, title = {Lightweight Loudspeaker Systems in Cars}, author = {Akiho, Masaichi and Tanabe, Kei}, booktitle = {Audio Engineering Society Conference: 15th International Conference: Audio, Acoustics & Small Spaces}, month = {Oct}, year = {1998}, url = {https://www.aes.org/e-lib/browse.cfm?elib=8100} }