1. E.V. Zolotoyalbko and E.M. Iolin,Coherent Rayleigh Scattering of Mössbauer Radiation (Publish. Zinatne, Riga, 1986) (In Russian).
2. V.N. Gavrilov, E.V. Zolotoyabko and E.M. Iolin, J. Phys. C 21 (1988) 471.
3. S.L. Ruby and D.I. Bolef, Phys. Rev. Lett. 5 (1960) 5.
4. E.M. Iolin, E.V. Zolotoyabko, E.A. Raitman, B.V. Kuvaldin and V.N. Gavrilov, Zh. Eksp. Teor. Fiz. 91 (1986) 2132; Sov. Phys. JETP 64 (1986) 1267.
5. K.P. Assur and I.R. Entin, Fiz. Tverd. Tela (Leningrad) 24 (1982) 2122; Sov. Phys. Solid. State 24 (1982) 1209.