1. For an introduction see, e. g., a) D. W. Pohl In Adv. Opt. Electron. Microscopy 12(1991) 243 (Academic Press New York), b) D. Courjon, C. Bainier Rep. Prog. Phys. 57 (1994) 989. c) Near-field Optics; D.W. Pohl, D. Courjon Eds.; NATO ASI Series, Series E 242; Kluwer Dordrecht, The Netherlands, 1993.
2. E. Betzig, J.K. Trautman, Science 257 (1992) 189.
3. J.K. Trautmann and J.J. Macklin, Chem. Phys. 205 (1996) 221.
4. M.H. Chestnut, Current Opinion in Colloid and Interface Science 2(2) (1997) 158–161.
5. N. Garbow, J. Müller, K. Schätzel, T. Palberg, Physica A 235 (1997) 291.