@conference{yamamoto1979high, title = {High Fidelity Loudspeakers with Boronized Titanium Diaphragms}, author = {Yamamoto, Takeo and Tsukagoshi, Tsunehiro and Tanaka, Fujio and Tohma, Teruo and Kimura, Masami}, booktitle = {Audio Engineering Society Convention 63}, month = {May}, year = {1979}, url = {https://www.aes.org/e-lib/browse.cfm?elib=2860} }