@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022287,
 author = {坪井, 善勝},
 issue = {5},
 journal = {生産研究},
 month = {May},
 pages = {195--197},
 title = {巻頭言 : 古典と電算},
 volume = {20},
 year = {1968}
}