@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023880,
 author = {大上, 進吾},
 issue = {8},
 journal = {生産研究},
 month = {Aug},
 note = {application/pdf},
 pages = {324--327},
 title = {通信路としての写真感光材料},
 volume = {8},
 year = {1956}
}