@article{21687,
      author       = "Miller, Beatrice",
      title        = "Orbital elements No 0-19  ",
      year         = "1968",
      note         = "2 x 1 brož., Viz Satellite Orbital Data, Viz Smithsonian
                      Astrophysical., = Material prepared under supervision of
                      Beatrice Miller, Manager, Data Services Division, = Research
                      in Space Science SAO Special Report No 289",
}