@article{44110,
      author       = "Ong, K. M. and Symp. earth´s grav. field and sec. var. in
                      position, Sydney 1973",
      title        = "3 - D Multilateration for Measurement of Earth Crustal
                      Deformation and Network Densification  ",
      note         = " Anotátor:Šk",
}