1. For a comprehensive review see M. A. Abkowitz and M. Stolka, inPolymers for Advanced Technologies, M. Lewin, ed. VCH, New York, 1988), p. 225, and references therein.
2. M. A. Abkowitz and R. C. Enck,Phys. Rev. B 25, 2567 (1982), and references therein.
3. F. K. Dolezalek, inPhotoconductivity and Related Phenomena, J. Mort and D. M. Pai, eds. (Elsevier, New York, 1976), p. 71.
4. M. Stolka, H.-J. Yuh, K. M. McGrane, and D. M. Pai,J. Polymer Sci. Polym. Chem. Ed. 25, 547 (1987).
5. M. A. Abkowitz, M. J. Rice, and M. Stolka,Phil. Mag. B 61, 25 (1990).