@article{Hiroshi Nakagawa2018E1807, title={Development of a narrow impedance tube to measure normal absorption coefficient and transmission loss at high frequencies around 10 kHz}, author={Hiroshi Nakagawa and Kunikazu Hirosawa}, journal={Acoustical Science and Technology}, volume={39}, number={6}, pages={417-423}, year={2018}, doi={10.1250/ast.39.417} }