Prasad, K. V. K. K. Principles of digital communication systems and computer networks K.V. Prasad - 1st ed. - Hingham, Mass. : Charles River Media, c2003. - xxiv, 742 p. : ill. ; 24 cm. - Engineering series . - Engineering series (Charles River Media) . Includes index. ISBN: 1584503297 (Paperback : alk. paper) Subjects--Topical Terms: Digital communications.Computer networks. Dewey Class. No.: 004.6