@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022163,
 author = {今岡, 稔 and 長谷川, 洋},
 issue = {2},
 journal = {生産研究},
 month = {Feb},
 pages = {55--60},
 title = {ガラスの強度},
 volume = {21},
 year = {1969}
}