@misc{indiciae3d8fc4fb8a81,
  title = {Stellgap},
  author = {Spong, DonaldA},
  year = {2016},
  doi = {10.11578/dc.20171025.1830},
  url = {https://www.osti.gov/biblio/code-4633},
  note = {Source identifier: code-4633}
}