@article{157886,
  author = {Michael Donahue},
  title = {A Variational Approach to Exchange Energy Calculations in Micromagnetics},
  year = {1998},
  number = {83},
  month = {1998-06-01},
  publisher = {Journal of Applied Physics},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150718},
  language = {en},
}