@article{comparisonofmachinelearningmethodsfor1,
  title = {Comparison of Machine Learning Methods for Predicting Karst Spring Discharge in North China},
  author = {Shu Cheng and Xiaojuan Qiao and Yaolin Shi and Dawei Wang},
  year = {2020},
  eprint = {2007.12951},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.12951v1},
}