@misc{indiciae6dc5f6ed4f45,
  title = {Analog-digital models of stream-aquifer systems},
  author = {E. A. Moulder and C.T. Jenkins},
  year = {1969},
  doi = {10.3133/70039102},
  url = {https://pubs.usgs.gov/publication/70039102},
  note = {Source identifier: 70039102}
}