TY - JOUR AU - Keith Burnett AU - V. Reed AU - John Cooper AU - P. Knight BT - Physical Review A DA - Jan-03-1992 DO - 10.1103/PhysRevA.45.3347 PY - 1992 SP - 3347 EP - 3349 T2 - Physical Review A TI - Calculation of the background emitted during high-harmonic generation VL - 45 SN - 1050-2947 ER -