@misc{indiciae6f6bbf5feaa6,
  title = {A modular three-dimensional finite-difference fround-water flow model},
  author = {Michael G. McDonald and Arlen W. Harbaugh and Weixing Guo and Guoping Lu},
  year = {1988},
  doi = {10.3133/twri06a1\_chinese},
  url = {https://pubs.usgs.gov/publication/twri06A1\_chinese},
  note = {Source identifier: twri06A1\_chinese}
}