References
- Ahmad , S.B. , Packer , K.J. and Ramsden , J.M. 1977 . Molec. Phys. , 3 : 857 – 857 .
- Vold , R.R. and Vold , R.L. 1977 . J. chem. Phys. , 66 : 4108 – 4108 .
- Goldman , M. 1970 . Spin Temperature and Nuclear Magnetic Resonance in Solids , Oxford University Press .
- Jenner , J. and Broekaert , P. 1967 . Phys. Rev. , 157 : 232 – 232 .
- McElroy , R.G.C. , Thompson , R.T. and Pintar , M.M. 1974 . Phys. Rev. A , 10 : 403 – 403 .
- Ahmad , S.B. and Packer , K.J. 1979 . Molec. Phys. , 37 : 59 – 59 .