著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Lhermitte,Anisotropy of the frequency-dependent ultrasonic attenuation in unidirectional graphite/epoxy composite material,Proceedings of the IEEE Ultrasonic Symposium,,,1991,,,819,https://cir.nii.ac.jp/crid/1371977243735317761,