↑(en) William M. Haynes, CRC Handbook of Chemistry and Physics, vol. 97, CRC Press/Taylor and Francis, , 2652 p. (ISBN1498754287), « Dipole Moments », p. 1554 (9-60).
↑(en) William M. Haynes, CRC Handbook of Chemistry and Physics, vol. 97, CRC Press/Taylor and Francis, , 2652 p. (ISBN1498754287), « Physical Constants of Inorganic Compounds », p. 771 (4-52).
↑(en) William M. Haynes, CRC Handbook of Chemistry and Physics, vol. 97, CRC Press/Taylor and Francis, , 2652 p. (ISBN1498754287), « Structure of Free Molecules in the Gas Phase
Molecular (Part 1. Molecules Not Containing Carbon) », p. 1515 (9-21).