@misc{indiciae0ba930b033d2,
  title = {On constraining pilot point calibration with regularization in PEST},
  author = {M.N. Fienen and C.T. Muffels and R. J. Hunt},
  year = {2009},
  doi = {10.1111/j.1745-6584.2009.00579.x},
  url = {https://pubs.usgs.gov/publication/70037280},
  note = {Source identifier: 70037280}
}