超高密度高複雑性森林環境音の補完による都市音環境改善効果に関する研究
Study on the improvement of urban sound environment by the sound with inaudible high frequency components

Emi Nishina, Tsutomu Oohashi
2005 Journal of the City Planning Institute of Japan  
doi:10.11361/journalcpij.40.3.169 fatcat:vul2u7y3tnfkhgf7ol4of6i6sa