@article{27525,
      author       = "Yumi, S. and Yokoyama, K. and Central Bureau of the
                      International Polar Motion Service",
      title        = "Results of the International Latitue Service in a
                      Homogeneous System 1899.9 - 1979.0  ",
      year         = "1980",
      note         = "Liter. - Tab. - 1 sv., International Latitude Observatory
                      of Mizusawa",
}