Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watari Koji,Effect of Inclusion on Machinability of Carbon Steel for Machine Structural Uses,Proceedings of JSPE Semestrial Meeting,,The Japan Society for Precision Engineering,2006,2006S,0,285-286,https://cir.nii.ac.jp/crid/1390001205653486336,https://doi.org/10.11522/pscjspe.2006s.0.285.0