-
[1]
A. Arima and F. Iachello, Annals of Phys, 99(1976), 253.[2] T Otsuka, A. Arima and F. Iachello, Nucl Phys, A309 (1978), 1.[3] L. M. Yang, Nucl. Phys, A421 (1984), 229c.[4] C.L.Wu and D H. Feng, Annals of Phys., 135(1981), 166; Phys. Rev, C24(1981), 727, Nucl. Phys,A421(1984),249c.[5] C.G. Bao, Nucl. Phys, A425(1984), 12;R. L Wang, J Z. Pan and C. G. Bao, Phys Rev ,C33(1986), 1775.[6] A. Faessler and I. Morrison, Nucl. Phys, A423(1984), 320.[7] P.H.Feng, K. X. Wang, A. L. Wang and C. L. Wu, Phys. Lett., 155B (1985), 203, C. L. Wu, W. X.Tang and D. H. Feng, Phys. Lett , 155B (1985), 108.