[3] [3] MatthewsD L et al. Phys. Rew. Lett., 1985, 55(7): 1753

[4] [4] MacGowen B J et al. Phys. Rev. Lett., 1990, 65: 2374

[5] [5] Zhang J et al. Phys. Rev. Lett., 1997, 78(20): 3856

[6] [6] Tommasini R et al. J. Op t. Soc. Am. B, 1999, 16(10): 1664

[7] [7] Klisnick A et al. J. Op t. Soc. Am. B, 2000, 17(6): 1093

[8] [8] Sebban S et al. Phys. Rev. A, 2000, 61: 043810

[9] [9] RessD et al. Science, 1994, 265: 514

[13] [13] DaSilva L B et al, Phys. Rev. Lett., 1995, 74(20): 3991

[14] [14] Filevich J et al. Opt. Lett., 2000, 25(5): 356