Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAUCHI Ippei,"Cotton hollow yarn ""the spin air"".",Sen'i Kikai Gakkaishi (Journal of the Textile Machinery Society of Japan),03710580,The Textile Machinery Society of Japan,1999,52,7,P307-P310,https://cir.nii.ac.jp/crid/1390001204266403328,https://doi.org/10.4188/transjtmsj.52.7_p307