@article{31473,
      author       = "Balmino, G. and OPTM - BGI and 19. IUGG - Vancouver, Aug.
                      9-22, 1987",
      title        = "Summary of BGI Activities in the Period Aug. 1983 - Aug.
                      1987  ",
      year         = "1987",
      note         = "1 sv.",
}