1. van der Woude, A., in International Review of Nuclear Physics, vol. 7: Electric and Magnetic Giant Resonances in Nuclei, Singapore: World Scientific, 1991, p. 99.
2. Gurevich, G.M., Dzhilavyan, L.Z., Dolbilkin, B.S., et al., Draft research program at the Moscow continuous race-track microtron with a maximum energy of accelerated electrons of 175 MeV, Preprint of Inst. Nucl. Res. Russ. Acad. Sci., Moscow, 2000, no. P-1040.
3. Verbitsky, S.S., Lapik, A.M., Ratner, B.S., et al., Phys. At. Nucl., 2009, vol. 72, p. 387.
4. Sherman, N.K., Ferdinande, H.M., Lokan, K.H., and Ross, C.K., Phys. Rev. Lett., 1975, vol. 35, p. 1215.
5. Belyshev, S.S., Varlamov, V.V., Dzhilavyan, L.Z., et al., Moscow Univ. Phys. Bull., 2023, vol. 78, no. 3, p. 2330204.