Lathi, B. P. (Bhagwandas Pannalal) Modern digital and analog communication systems / B.P. Lathi. - 3rd ed. - New York : Oxford University Press, 1998. - xiii, 781 p. : ill. ; 25 cm. ISBN: 0195110099 Subjects--Topical Terms: Electric apparatus and appliances. Dewey Class. No.: 621.382 LAT