@article{CTT100722433,
  author = {Yadu N. Pokhrel and Sujan KOIRALA and Pat J. -F Yeh and Naota Hanasaki and Laurent Longuevergne and Shinjiro Kanae and Taikan Oki},
  title = {Incorporation of groundwater pumping in a   global Land Surface Model with the representation of human impacts},
  journal = {Water Resources Research},
  year = 2015,
}

@inproceedings{CTT100792068,
  author = {Koirala Sujan and Yeh Pat and Taikan Oki and Shinjiro Kanae},
  title = {Parameter estimation of a groundwater representation applicable in a global-scale land surface model},
  booktitle = {水文・水資源学会研究発表会要旨集},
  year = 2010,
}