1. Electromagnetic interactions with real photons or using virtual photon exchange between scattering charged particles (particularly electrons scattering off nuclei) are described in a number of general texts and review papers: Arenhövel, H., Drechsel, D. (eds.) (1979) Nuclear Physics with Electromagnetic Interactions (Springer, New York)
2. Cannata, F., Uberall, H. (1980) Giant Resonance Phenomena in Intermediate-Energy Nuclear Reactions, in: Springer Tracts in Modern Physics, Vol. 89 (Springer, Berlin Heidelberg)
3. Donnelly, T.W., Walecka, J.D. (1975) Ann. Rev. Nucl. Sci. 25, 329
4. Donnelly, T.W. (1996) Adv. Nucl. Phys. 22, 37
5. Drechsel, D., Giannini, M.M. (1989) Rep. Prog. Phys. 52, 1083