1. Ernst, R. R., Bodenhausen, G., Wokaun, A.,Principles of Nuclear Magnetic Resonance in One and Two Dimensions, Oxford: Clarendon Press, 1987.
2. Yatsiv, S., Multiple quantum transitions in nuclear magnetic resonance,Phys. Rev., 1955, 133:1522.
3. Anderson, W. A., Freeman, R., Reilly, C. A., Assignment of NMR spectra with the aid of double quantum transition,J. Chem. Phys., 1963, 39:1518.
4. Yannoni, C. S., Kendrick, R. D., Wang, P. K., Raman magnetic resonance,Phys. Rev. Lett., 1987, 55:345.
5. Box, A. D., Mehlkopf, T., Smidt, J.et al., A simple method for detection of zero quantum transitions in NMR,J. Magn. Reson., 1980, 41:502.