@misc{indiciaeb11b3c2f6f53,
  title = {Experiments with "doubly"-spin-polarized atomic hydrogen.},
  author = {R Sprik and JT Walraven and van Yperen GH and IF Silvera},
  year = {1986},
  doi = {10.1103/physrevb.34.6172},
  url = {https://pubmed.ncbi.nlm.nih.gov/9940495/},
  note = {Source identifier: 9940495}
}