@misc{indiciaec84035e99e87,
  title = {SUTRA— A code for simulation of saturated-unsaturated, variable-density groundwater flow with solute or energy transport—Documentation of the version 4.0 enhancements—Freeze-thaw capability, saturation and relative-permeability relations, spatially varying properties, and enhanced budget and velocity outputs},
  author = {Clifford I. Voss and Alden M. Provost and Jeffrey M. McKenzie and Barret L. Kurylyk},
  year = {2024},
  doi = {10.3133/tm6a63},
  url = {https://pubs.usgs.gov/publication/tm6A63},
  note = {Source identifier: tm6A63}
}