TY - BOOK AU - Frenzel,jrLouis E. TI - Principles of electronic communication systems SN - 9789353166809 U1 - E/O 621.382 23rd ed. PY - 2019/// CY - Chennai PB - McGraw Hill Education KW - Telecommunications KW - Textbooks KW - Wireless communication systems N1 - Includes bibliographical references and index ER -