@article{8019,
  author = {David Hummer},
  title = {A family of angle-moments proportional to r-n, n = 1,2,\textellipsis, in free space},
  year = {1984},
  journal = {Journal of Quantitative Spectroscopy and Radiative Transfer},
  volume = {31},
  pages = {283-284},
  month = {Jan-03-1984},
  issn = {00224073},
  doi = {10.1016/0022-4073(84)90032-3},
}