Gowar, John, Optical communication systems / John Gowar - 2nd ed. - New Delhi : Prentice-Hall, c1993. - xvi, 696 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 9788120308343 Subjects--Topical Terms: Optical communications. LC Class. No.: TK5103.59 / .G68 1993 Dewey Class. No.: 621.380414 / G722o