@misc{indiciae239252823c8b,
  title = {SUTRA, a model for saturated-unsaturated, variable-density groundwater flow with solute or energy transport—Documentation of generalized boundary conditions, a modified implementation of specified pressures and concentrations or temperatures, and the lake capability},
  author = {Alden M. Provost and Clifford I. Voss},
  year = {2019},
  doi = {10.3133/tm6a52},
  url = {https://pubs.usgs.gov/publication/tm6A52},
  note = {Source identifier: tm6A52}
}