@conference{111501,
  author = {K Gebbie},
  title = {Collaboration between NPL and NIST ed. by K. Berry A celebration of the past - A vision for the future,},
  year = {2002},
  month = {2002-01-01},
  publisher = {Royal Society to mark NPL's centenary, 1900-2000, Teddington, UK},
  language = {en},
}