[1] J.M.J. Madey J. Appl. Phys. 42 (1971) 1906
[2] H. Motz, J. Appl. Phys. 22 (1951) 527
[3] R.B. Palmer, J. Appl. Phys. 43 (1972) 3014
[4] H.P. Freund and V.L. Granatstein, Nucl. Inst. & Meth. A429 (1999) 33; W.B. Colson, Nucl. Inst. & Meth. A429 (1999) 37, or online
[5] V. Litvinenko, Storage Ring-based Light Sources, Proc. of the 17th Advanced Beam Dynamics Workshop on Future Light Sources, Argonne, USA, 1999
[6] Linac Coherent Light Source (LCLS), SLAC-R-521, UC-414 (1998)
[7] TESLA - Technical Design Report, DESY 2001-011, ECFA 2001-209, TESLA Report 2001-23, TESLA-FEL 2001-05, Deutsches Elektronen Synchrotron, Hamburg, Germany (2001)
[8] Various proposals are listed in the Proc. of the 24th Free-Electron Laser Conference, Argonne, 2002, USA
[9] R.M. Phillips, IRE Trans. Electron Devices 7 (1960) 231
[10] R.L. Elias et al., Phys. Rev. Lett. 36 (1976) 717
[11] D.A.G. Deacon et al., Phys. Rev. Lett. 38 (1977) 892
[12] Ya.S. Derbenev, A.M. Kondradenko, and E.L. Saldin, Nucl. Inst. & Meth. 193 (1982) 415
[13] J. Nodvick and D. Saxon, Phys. Rev. 96 (1954) 180
[14] J.M. Dawson, Sci. Am. 260 (1989) 54
[15] M. Born and E. Wolf, Principles of Optics (Pergamon Press, 1980)
[16] R. Bonifacio, C. Pellegrini, and L.M. Narducci, Opt. Comm. 50 (1984) 373
[17] K.-J. Kim, Nucl. Inst. & Meth. A250 (1986) 396
[18] A.M. Kondradenko and E.L. Saldin, Part. Accel. 10 (1980) 207
[19] A. Ogata, in Advanced Accelerator Concepts, Port Jefferson, New York, 1992, ed. J. Wurtele (AIP Conf. Proc. 279, New York, 1993) 420
[20] B. Bonifacio, C. Pellegrini, and N. Narducci, Free Electron Generation of Extreme Ultraviolet Coherent Radiation, eds., J.M.J. Madey and C. Pellegrini (Am. Inst. Phys., New York, 1984) 236
[21] T.J. Orzechowski et al., Phys. Rev. Lett. 54 (1985)
[22] D.A. Edwards and M.J. Syphers, Introduction to the Physics of High Energy Accelerators (Wiley, John & Sons, Inc. - 1992)
[23] S. Krinsky and L.H. Yu, Phys. Rev. A35 (1987) 3406
[24] G.T. Moore, Opt. Comm. 52 (1984) 46
[25] K.-J. Kim, Phys. Rev. Lett. 57 (1986) 1871
[26] J. Goodman, Statistical Optics (John Wiley & Sons, New York, 1985)
[27] R. Bonifacio et al., Phys. Rev. Lett. 73 (1994) 70
[28] E.L. Saldin, E.A. Schneidmiller, and M.V. Yurkov, TESLA-FEL 1997-02, Deutsches Elektronen Synchrotron, Hamburg, Germany (1997)