@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023159,
 author = {山田, 嘉昭},
 issue = {7},
 journal = {生産研究},
 month = {Jul},
 note = {application/pdf},
 pages = {217--224},
 title = {球頭ポンチによる深絞りと摩擦係数の推定},
 volume = {13},
 year = {1961}
}