@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022109,
 author = {菊池, 眞一},
 issue = {5},
 journal = {生産研究},
 month = {May},
 note = {20周年誌},
 pages = {171--171},
 title = {生研20周年に当たって},
 volume = {21},
 year = {1969}
}