[4] J. Collier, W. Sandner, G. Korn, G. Mourou. ELI Extreme Light Infrastructure (Whitebook)(2011).
[5] G. Chériaux et al. Apollon-10p: Status and implementation. AIP Conf. Proc., 1462, 78(2012).
[11] K. T. Phuoc et al. All-optical Compton gamma-ray source. Nat. Photonics, 6, 308(2012).
[38] W. Yan et al. High-order multiphoton Thomson scattering. Nat. Photonics, 11, 514(2017).
[46] G. Breit, J. A. Wheeler. Collision of two light quanta. Phys. Rev., 46, 1087(1934).
[56] E. Lifshitz, L. Landau. The Classical Theory of Fields(1975).