@article{CTT100735391,
  author = {Shinnosuke Hirata and Quan Sun and Masato Ueda and Hiroyuki Hachiya},
  title = {Measurement of road surfaces by reflection characteristics of airborne ultrasound},
  journal = {Acoustical Science and Technology},
  year = 2016,
}

@inproceedings{CTT100700282,
  author = {Shinnosuke Hirata and Quan Sun and Masato Ueda and Hiroyuki Hachiya},
  title = {Measurement  of  reflection  characteristics  of  road  surfaces using airborne ultrasound},
  booktitle = {Proceedings of Symposium on Ultrasonic Electronics},
  year = 2015,
}

@inproceedings{CTT100698082,
  author = {上田 将人 and 孫 権 and 平田 慎之介 and 蜂屋 弘之},
  title = {空中超音波の反射特性による路面の表面形状の計測},
  booktitle = {日本音響学会 アコースティックイメージング研究会資料},
  year = 2015,
}

@inproceedings{CTT100698077,
  author = {孫 権 and 平田 慎之介 and 蜂屋 弘之},
  title = {空中超音波を用いた路面の表面パラメータの計測},
  booktitle = {日本音響学会 2015年秋季研究発表会 講演論文集},
  year = 2015,
}