1. W. K. Chu, J. W. Mayer, and M. A. Nicolet,Backscattering Spectrometry(Academic, New York, 1978), p. 255.
2. T. Hara and H. Suzuki, inProceedings of the 16th Symposium on Ion Implantation and Submicron Fabrication, Tokyo, Japan (The Institute of Physical and Chemical Research, Tokyo, 1985), p. 169.
3. S. M. Sze,Physics of Semiconductor Devices, 2nd ed. (Wiley, New York, 1981), p. 246.