References
- Proceedings of the National Academy of Sciences v.44 no.7 H. Eyring;T. Ree;N. Hirai
- Proceedings of the National Academy of Sciences v.46 no.3 T.R. Thompson;H. Eyring;T. Ree
- Treatise on Inorganic Chemistry v.1 H. Remy
- Comprehensive Treatise on Inorganic and Theoretical Chemistry v.II J.W. Mellor
- Lange's Handbook of Chemistry
- Handbook of Chemistry and Physics
- International Critical Table