@article{1929xxsrkos,
  title = {南北樺太の白亜紀層の対比 (其二)},
  author = {清水 三郎},
  year = {1929},
  doi = {10.5026/jgeography.41.290},
  language = {ain},
  url = {https://doi.org/10.5026/jgeography.41.290}
}