Keitel, Christoph H. Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;
http://link.aps.org/doi/10.1103/PhysRevA.58.4868 (Publisher version)
Paspalakis, E., Keitel, C. H., & Knight, P. L. (1998). Fluorescence control through multiple interference mechanisms. Physical Review. A, 58(6), 4868-4877. doi:10.1103/PhysRevA.58.4868.