@article{CTT100561068,
  author = {ken watanabe and Eiji Niwa and Hiroshi Yokota and Iwanami},
  title = {Experimental study on stress-strain curve of concrete considering localized failure in compression},
  journal = {Journal of Advanced Concrete Technology},
  year = 2004,
}

@article{CTT100561069,
  author = {Lertsrisakulrat, T. and ken watanabe and Matsuo, M. and Eiji Niwa},
  title = {Experimental study on parameters in localization of concrete subjected to compression},
  journal = {Concrete Library of JSCE},
  year = 2001,
}

@inproceedings{CTT100561088,
  author = {Noma, Y. and Watanabe, K. and Miki, T. and Niwa, J},
  title = {Evaluation of the local behavior of recycled concrete under cyclic loading by image analysis},
  booktitle = {},
  year = 2008,
}

@inproceedings{CTT100543731,
  author = {青柳貴洋 and 中川弘充 and 西方敦博 and 丹羽英二 and 高橋 直文},
  title = {文字抽出処理を施した遠隔講義用高精細板書画像伝送システムの開発},
  booktitle = {日本教育工学会第23回全国大会講演論文集},
  year = 2007,
}