Peter J. Mohr and Barry N. Taylor (January 2005). "CODATA recommended values of the fundamental physical constants: 2002"(PDF). Reviews of Modern Physics. 77: 1–107. मूल(PDF) से 6 मार्च 2007 को पुरालेखित. अभिगमन तिथि 2006-07-01. An in-depth discussion of how the CODATA constants were selected and determined.
Peter J. Mohr and Barry N. Taylor (January 2005). "CODATA recommended values of the fundamental physical constants: 2002"(PDF). Reviews of Modern Physics. 77: 1–107. मूल(PDF) से 6 मार्च 2007 को पुरालेखित. अभिगमन तिथि 2006-07-01. An in-depth discussion of how the CODATA constants were selected and determined.