Keitel, Christoph H. Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;
http://link.aps.org/doi/10.1103/PhysRevLett.83.4709 (Publisher version)
Hu, S., & Keitel, C. H. (1999). Spin Signatures in Intense Laser-Ion Interaction. Physical Review Letters, 83(23), 4709-4712. doi:10.1103/PhysRevLett.83.4709.