@article{20495,
      author       = "Cook, A. H. and Dale, H. M. and Note on preparations for an
                      absolute measurement of gravity at the National Physical
                      Laboratory",
      title        = "Note on preparations for an absolute measurement of gravity
                      at the National Physical Laboratory  ",
      note         = "1 sv., National Physical Laboratory. Standards Division.
                      General Assembly of the International Association of Geodesy
                      - Section IV",
}