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OBSERVATION OF TWO-PHOTON OPTICAL FREE-INDUCTION DECAY IN ATOMIC SODIUM VAPOR.LIAO PF; BJORKHOLM JE; GORDON JP et al.1977; PHYS. REV. LETTERS; U.S.A.; DA. 1977; VOL. 39; NO 1; PP. 15-18; BIBL. 22 REF.Article

ON THE IMPACT AND THE SEPARATION APPROXIMATIONS IN THE THEORY OF MULTIPHOTON INTERACTIONS WITH THERMALLY PERTURBED SYSTEMS.NITZAN A; MUKAMEL S; BEN REUVEN A et al.1977; CHEM. PHYS.; NETHERL.; DA. 1977; VOL. 24; NO 1; PP. 37-43; BIBL. 16 REF.Article

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