1. Urey, H. C.; Brickwedde, F. G.; Murphy, G. M. (2013). "Names for the Hydrogen Isotopes". Science. 78 (2035): 602–603.
2. Weast, Robert (2004). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing.
1. Urey, H. C.; Brickwedde, F. G.; Murphy, G. M. (2013). "Names for the Hydrogen Isotopes". Science. 78 (2035): 602–603.
2. Weast, Robert (2004). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing.
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