Femtosecond laser pulse train effect on Doppler profile of cesium resonance lines N. Vujičić, S. Vdović, D. Aumiler, T. Ban, H. Skenderović and G. Pichler Eur. Phys. J. D, 41 3 (2007) 447-454 Published online: 08 December 2006 DOI: 10.1140/epjd/e2006-00261-5