@misc{56606,
  author = {Christoph Witzgall and Marek Franaszek},
  title = {Sensitivities and Variances for Fitted Parameters of Spheres},
  year = {2009},
  month = {2009-07-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903340},
  language = {en},
}