@misc{148616,
  author = {Peter Mohr and Barry Taylor and Jonathan Baker and Michael Douma and Svetlana Kotochigova},
  title = {CODATA Recommended Values of the Fundamental Physical Constants (version 4.0)},
  year = {2003},
  month = {2003-01-01},
  publisher = {http://physics.nist.gov/constants},
  language = {en},
}