Gowar, John Optical communication systems / John Gowar . - 2nd ed. - New Delhi: Prentice Hall c2002. - xvi, 696p.: ill.;, figs.;, tables.;, maps.; 21 cm. Includes index. Dept. of EEE ISBN: 8120308344 Subjects--Topical Terms: Material dispersion Dewey Class. No.: 621.3827 / Goo