@article{oai:repository.dl.itc.u-tokyo.ac.jp:00018820,
 author = {北條, 準一},
 issue = {7},
 journal = {生産研究},
 month = {Jul},
 pages = {522--524},
 title = {調査報告 : 二つの雷関連国際会議に出席して},
 volume = {45},
 year = {1993}
}