TY - GEN AU - Mauritsson,J AU - Johnsson,P AU - Gustafsson,E AU - L'Huillier,A AU - Schafer,K J AU - Gaarde,M B TI - Attosecond pulse trains generated using two color laser fields SN - 0031-9007 PY - 2007///0117 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.97.013001 ER -