How can attosecond pulse train interferometry interrogate electron dynamics? C.L. Arnold, M. Isinger, D. Busto, D. Guénot, S. Nandi, S. Zhong, J.M. Dahlström, M. Gisselbrecht and A. l’Huillier Photoniques, (2018) 28-35 Published online: 23 April 2018 DOI: 10.1051/photon/2018S328