1. NQR Group of INEOS AN SSSR:Nuclear Quadrupole Resonance In Chemistry (G.K. Semin et al., English Edition, John Wiley & Sons) (1975),384
2. Voronkov, M.G.; Feshin, V.P.; Polis, J.:Teor Eksp Khim 7(1971),555
3. Delay, F.; Geoffroy, M.; Lucken, E.A.C.; Mueller, P.:J Chem Soc Faraday Trans 2 71(1975),463
4. NQR Group of INEOS AN SSSR:Nuclear Quadrupole Resonance In Chemistry (G.K. Semin et al., English Edition, John Wiley & Sons) (1975),381
5. Burdham, R.A.; Ludman, C.J.; Lynch, R.J.; Waddington, T.C.:J Magn Reson 34(1979),223