00448 a2200181 4500 1884932134 621.384 GRI 28309 49340 Griffith, B. Whitfield Radio - electronic transmission fundamentals 2nd Atlanta Noble Publication 1962 2000 xi, 638 p. 23 cm ELECTRONICS RADIO TRANSMISSIONS SR 54955 54955 0 0 0 0 SRC MAIN MAIN REF 2012-10-23 0 621.384GRI 24475 2017-08-31 00:00:00 0.00 2016-10-31 SR