Keitel, Christoph H. Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;
http://iopscience.iop.org/1367-2630/14/10/103002/ (Publisher version)
https://iopscience.iop.org/journal/1367-2630/page/Highlights%20of%202012 (Supplementary material)
1202.3339 (Preprint), 767KB
King, B., & Keitel, C. H. (2012). Photon-photon scattering in collisions of laser pulses. New Journal of Physics, 14(10): 103002, pp. 1-22. doi:10.1088/1367-2630/14/10/103002.