ameter |coauthors= ignored (|author= suggested) (help)↑ This account is based on the review in Mohr, Peter J. (1999). "CODATA recommended values of the fundamental physical constants: 1998". J. Phys. Chem. Ref. Data. 28 (6): 1713–1852. doi:10.1103/RevModPhys.72.351. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)↑ 13.0 13.1 Mohr, Peter J. (2005). "CODATA recommended values of the fundamental physical constants: 2002". Rev. Mod. Phys. 77 (1): 1–107. Bibcode:2005RvMP...77....1M. doi:10.1103/RevModPhys.77.1. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)↑ Mohr, Peter J. (2008). "CODATA Recommended Values of the Fundamental Physical Constants: 2006". Rev. Mod. Phys. 80 (2): 633–730. Bibcode:2008RvMP...80..633M. doi:10.1103/RevModPhys.80.633. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help) Direct link to value.↑ Mineralogy Database (2000–2005). "Unit Cell Formula". සම්ප්‍රවේ