TY - JOUR AU - Jing Su AU - Hongcheng Ni AU - Agnieszka Jaron-Becker AU - Andreas Becker BT - Physical Review Letters DA - 2014-12 DO - 10.1103/PhysRevLett.113.263002 PY - 2014 EP - 263002 T2 - Physical Review Letters TI - Time Delays in Two-Photon Ionization UR - http://link.aps.org/doi/10.1103/PhysRevLett.113.263002 VL - 113 SN - 0031-9007 ER -