@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023586,
 author = {田中, 尚},
 issue = {8},
 journal = {生産研究},
 month = {Aug},
 note = {application/pdf},
 pages = {187--188},
 title = {強さの加え算},
 volume = {10},
 year = {1958}
}