Elion G. R., Elion H. H., . (1978). Fiber optics in communication systems. New York: Dekker.
Elion G R, Elion H H, . 1978. Fiber optics in communication systems. New York: Dekker.
Elion G R, Elion H H, . Fiber optics in communication systems. New York: Dekker. 1978.
