References
- Kirchhoff , W.H. and Wilson , E.B. 1962 . J. Am. chem. Soc. , 84 : 334 – 334 .
- Carpenter , J.H. , Cooper , J.D. , Simpson , J.B. , Smith , J.G. and Whiffen , D.H. 1974 . J. Phys. E , 7 : 678 – 678 .
- Smith , J.G. 1976 . Molec. Phys. , 32 : 621 – 621 .
- Maes , S. 1970 . Cah. Phys. , 14 : 125 – 125 .
- Grenier-Besson , M.L. 1960 . J. Phys. Radium, Paris , 21 : 555 – 555 .
- Tarrago , G. 1970 . J. molec. Spectrosc. , 34 : 23 – 23 .
- Carless , A.J. and Kroto , H.W. 1975 . J. molec. Spectrosc. , 57 : 189 – 189 .
- Grenier-Besson , M.L. and Amat , G. 1962 . J. molec. Spectrosc. , 8 : 22 – 22 .
- Müller , A. , Ruoff , A. , Krebs , B. , Glemser , O. and Koch , W. 1969 . Spectrochim. Acta A , 25 : 199 – 199 .
- Smith , J.G. 1976 . Molec. Phys. , 32 : 621 – 621 .
- Ramaswamy , K. , Sathianandan , K. , Cleveland and Forrest , F. 1962 . J. molec. Spectrosc. , 9 : 107 – 107 .
- Sawodny , W. , Fadini , A. and Ballein , K. 1965 . Spectrochim. Acta , 21 : 995 – 995 .
- Richert , H. and Glemser , O. 1961 . Z. anorg. allg. Chem. , 307 : 328 – 328 .
- Bauer , A. , Tarrago , G. and Remy , A. 1975 . J. molec. Spectrosc. , 58 : 111 – 111 .
- Small , C.E. , Smith , J.G. and Whiffen , D.H. 1979 . Molec. Phys. , 37 : 681 – 681 .