Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CHIBA Kazuhisa and IMAMURA Taro and AMEMIYA Kazuhisa and YAMAMOTO Kazuomi,Design Optimization of Shielding Effect for Aircraft Engine Noise,Journal of Environment and Engineering,1880-988X,The Japan Society of Mechanical Engineers,2007,2,3,567-577,https://cir.nii.ac.jp/crid/1390282680239785600,https://doi.org/10.1299/jee.2.567