@article{oai:shizuoka.repo.nii.ac.jp:00005464,
 author = {竹内, 正辰},
 journal = {地学しずはた},
 month = {Jul},
 note = {application/pdf},
 pages = {11--14},
 title = {二個の平面亀裂の見掛けの交角と交線の関係について},
 volume = {8},
 year = {1955}
}