1. C. C. Freudenrich, D. Hockett, P. Ingram, A. LeFurgey, J. Struct. Biol 1994, 112, 173.
2. P. Echlin, Low-Temperature Microscopy and Analysis, Plenum, New York, 1992, pp. 1 - 539.
3. H. Moor, in: Cryotechniques in Biological Electron Microscopy ( R. A. Steinbrecht, K. Zierold, eds), Springer, Berlin Heidelberg New York Tokyo, 1987, pp. 175 - 191.
4. A. T. Marshall, Scanning Electron Microsc. 1980, 335.
5. A. T. Marshall, in: Cryotechniques in Biological Electron Microscopy ( R. A. Steinbrecht, K. Zeirold, eds), Springer, Berlin Heidelberg New York Tokyo, 1987, pp. 240 - 257.