1. N. S. Kapany, ?Fiber Optics? (Academic Press, New York, 1967).
2. M. K. Barnosky, ?Fundamentals of Optical Fiber Communications? (Academic Press, New York, 1976).
3. P. Di Vita,Ann. Telecommunic. 32 (1977) 115?33.
4. S. E. Miller andA. G. Chynoweth, ?Optical Fiber Telecommunications? (Academic Press, New York, 1979).
5. Y. Uematsu, T. Ozeki andV. Unno,IEEE J. Quant. Elect. QE-15 (1979) 86?92.