Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Theng Jia-Hang and Yang Che-Hua,2P2-4 Ultrasonic characterization for the influences of microstructure and graphite size in cast irons(Poster Session),Proceedings of Symposium on Ultrasonic Electronics,1348-8236,Institute for Ultrasonic Elecronics,2014-12-03,35,0,235-236,https://cir.nii.ac.jp/crid/1390564238045594880,https://doi.org/10.24492/use.35.0_235