@article{6243,
  author = {Andrew Hamilton},
  title = {Towards optimal measurement of power spectra - I. Minimum variance pair weighting and the Fisher matrix},
  year = {1997},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {289},
  pages = {285-294},
  url = {http://arxiv.org/pdf/astro-ph/9701008v1.pdf},
}