Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakatsuka Satoshi and Aoyama Hideki,Study on Digital Style Design,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,2009,75,7,847-852,https://cir.nii.ac.jp/crid/1390001204796574080,https://doi.org/10.2493/jjspe.75.847