TY - JOUR AU - Ivan Christov AU - Henry Kapteyn AU - Margaret Murnane BT - Optics Express DA - 2000-11 DO - 10.1364/OE.7.000362 PY - 2000 EP - 362 T2 - Optics Express TI - Quasi-phase matching of high-harmonics and attosecond pulses in modulated waveguides VL - 7 ER -