Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOYAMA Shouhei,Measurement of Purity Index in Textile Based on IR Spectroscopy,IEEE Instrumentation and Measurement Technology Conference (IMTC2004),,,2004,,,,https://cir.nii.ac.jp/crid/1570572700203164672,