Frenzel, Louis E. Communication electronics: Principles and applications / Louis E. Frenzel. - 3rd ed. - New Delhi : Tata McGraqw-Hill, 2001. - xii, 531 p. : ill.; 22 cm. Includes index. ISBN: 0070483981 Subjects--Topical Terms: Electronics Dewey Class. No.: 621.382 / FRC