00458 a2200169 4500 9780073107042 621.382 FRE 28651 49899 Frenzel, Louis E. Principles of electronic communication systems 3rd. Boston McGraw-Hill 2008 2008 930p. 28cm. WIRELESS COMMUNICATION SYSTEMS-TEXTBOOKS TELECOMMUNICATIONS-TEXTBOOKS L 55259 55259 0 0 0 0 LEN MAIN MAIN LEN 2012-12-06 0 621.382FRE 33953 2017-08-31 00:00:00 0.00 2016-10-31 L 0 0 ddc 0 0 SRC MKDL MKDL REF 2012-12-10 0 621.382 FRE 66106 2012-12-10 00:00:00 0.00 2016-10-31 SR