TY - JOUR AU - Ivan Christov AU - R. Bartels AU - Henry Kapteyn AU - Margaret Murnane BT - Physical Review Letters DA - 2001-06 DO - 10.1103/PhysRevLett.86.5458 PY - 2001 SP - 5458 EP - 5461 T2 - Physical Review Letters TI - Attosecond Time-Scale Intra-atomic Phase Matching of High Harmonic Generation VL - 86 SN - 0031-9007 ER -