@misc{indiciae12e0ffbf43cd,
  title = {PITMAN: a FORTRAN program for exact randomization tests.},
  author = {G E Dallal},
  year = {1988},
  doi = {10.1016/0010-4809(88)90037-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/3345656/},
  note = {Source identifier: 3345656}
}