@inproceedings{thongthiangdee2011foundation,
  title={Foundation on Rock: Case study of Karstic Formation},
  author={Thongthiangdee, Parinya and Wetchasat, Khomkrit and Phueakphum, Decho},
  booktitle={International Conference on Geology, Geotechnology and Mineral Resources of INDOCHINA 2011},
  pages={139--145},
  year={2011}
}