@conference{hayakawa1987improvement, title = {Improvement in Dome Speaker Characteristics by Using a Spherical Wave Front Horn Baffle}, author = {Hayakawa, J. and Iwakura, S. and Yamazaki, K. and Matsuoka, S.}, booktitle = {Audio Engineering Society Convention 82}, month = {Mar}, year = {1987}, url = {https://www.aes.org/e-lib/browse.cfm?elib=4979} }