@misc{indiciaea0beca92298b,
  title = {Cosmic axion thermalization},
  author = {Erken, O. and Sikivie, P. and Tam, H. and Yang, Q.},
  year = {2012},
  doi = {10.1103/physrevd.85.063520},
  url = {https://www.osti.gov/biblio/1098607},
  note = {Source identifier: 1098607}
}