@book{11470,
  title = {Proceedings of a Symposium Held at the Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder, Colorado, JUNE 10-14, 1968},
  year = {1968},
  volume = {307},
  pages = {286},
  month = {12/1968},
  publisher = {NBS},
  address = {Boulder, Colorado},
  note = {JILA Pub. 464},
}