@misc{indiciae00b9464e2824,
  title = {Error reduction using covariance in quantum Monte Carlo simulations.},
  author = {AW Sandvik},
  year = {1996},
  doi = {10.1103/physrevb.54.14910},
  url = {https://pubmed.ncbi.nlm.nih.gov/9985534/},
  note = {Source identifier: 9985534}
}