@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024390,
 author = {亀山, 直人},
 issue = {12},
 journal = {生産研究},
 month = {Dec},
 note = {application/pdf},
 pages = {473--474},
 title = {海水よりの製塩の問題},
 volume = {4},
 year = {1952}
}