1. Physics and Chemistry of II–VI Compounds, M. Aven and J. S. Prener, Eds., J. Wiley and Sons, New York (1967).
2. B. L. Sharma, Diffusion in Semiconductors, Trans. Tech. Publications, Cleveland, Ohio, 1970.
3. Diffusion Data, Vol. I, 1968 – Vol. 4, 1970, Diffusion Information Center, Cleveland, Ohio.
4. F. V. Wald and R. O. Bell, Nature — Physical Science,237, 13 (1972).
5. R. 0. Bell and F. V. Wald, IEEE Transactions in Nuclear Science,NS19, 334 (1972).