Alwayn, Vivek. Optical network design and implementation Vivek Alwayn. - Indianapolis, IN : Cisco Press, c2004. - xxxi, 809 p. : ill. ; 24cm. Includes index.(Indian print) ISBN: 1587051052 Subjects--Topical Terms: Optical communications.Optoelectronics. Dewey Class. No.: 621.3827