TY - JOUR KW - pfc AU - I. Thomann AU - E. Gregonis AU - Xuan Liu AU - R. Trebino AU - A. Sandhu AU - Margaret Murnane AU - Henry Kapteyn BT - Physical Review A DA - 2008-07 DO - 10.1103/PhysRevA.78.011806 PY - 2008 SE - 011806 T2 - Physical Review A TI - Temporal characterization of attosecond wave forms in the sub-optical-cycle regime VL - 78 ER -