@article{5960,
      author       = "Opalski, W. and 13. valné shromáždění MUGG Berkeley
                      1963",
      title        = "Determination of relative personal equations in the
                      Observatory of the Warsaw Polytechnic  ",
      year         = "1963",
      note         = "Polish Academy of sciences, Committee of Geodesy and Chair
                      of Geodetical Astronomy at Warsaw Politechnic. - 1.4. 1964.
                      - 1 sv.",
}