Greenfield, David. The essential guide to optical networks David Greenfield. - Upper Saddle River, NJ : Prentice Hall PTR, 2002. - 229 p. : ill. - Essential guide series. . - Essential guide series (Prentice-Hall, inc.) . ISBN: 0130429562 Subjects--Topical Terms: Optical communications.Optoelectronic devices. Dewey Class. No.: 621.3827