TY - RPRT TI - Attosecond Pulse Trains Using High-Order Harmonics. AU - P Antoine AU - A L'Huillier AU - M Lewenstein PY - 1996 DO - 10.1103/physrevlett.77.1234 UR - https://pubmed.ncbi.nlm.nih.gov/10063025/ ID - 10063025 ER -