Khanna, V.K Digital communications / For B.E>/B.Tech. students of all Indian Technical Universities - 1st ed. - Indianapolis, IN : H.W. Sams, 1999 - xxi, 406 p. : ill. ; 26 cm. Includes index. Bibliography: p. 390-392. ISBN: 0672224720 LCCN: 86061451 Subjects--Topical Terms: Digital communications. LC Class. No.: TK5103.7 / .K52 1999 Dewey Class. No.: 621.38