@misc{indiciae3516c101b85f,
  title = {Finite-difference interblock transmissivity for unconfined aquifers and for aquifers having smoothly varying transmissivity},
  author = {D.J. Goode and C.A. Appel},
  year = {1992},
  doi = {10.3133/wri924124},
  url = {https://pubs.usgs.gov/publication/wri924124},
  note = {Source identifier: wri924124}
}