Heiserman, David L. Laboratory manual principles of electronic communication sytems 2nd ed. Heiserman, David L. - N. Y. : Glencoe/McGraw-Hill, c2004. - viii, 342 pages : illustration ; 27 cm. ISBN: 0-07-294315-7. Subjects--Topical Terms: Dewey Class. No.: Circ. 621.382 H473l 2004