@article{CTT100549441,
  author = {高橋章浩 and 杉田秀樹 and 石原雅規 and 谷本俊輔},
  title = {格子状改良された砂のせん断変形特性},
  journal = {土木学会地震工学論文集},
  year = 2007,
}

@inproceedings{CTT100550368,
  author = {Akihiro Takahashi and Hideki Sugita and Masanori Ishihara and Shunsuke Tanimoto},
  title = {Simple shear tests on sand improved by cement in grid pattern},
  booktitle = {Proceedings of 5th International Conference on Urban Earthquake Engineering},
  year = 2008,
}