@book{116176,
  author = {David Hummer},
  title = {The Opacity Project and the practical utilization of atomic data, ed. by L. Crivellari, I. Hubeny, and D.G. Hummer},
  year = {1991},
  number = {C341},
  month = {1991-01-01},
  publisher = { Kluwer , Dordrecht, },
  language = {en},
}