00437cam a22001811a 4500001000800000005001700008008004100025019001200066035002100078035001200099040001800111082001200129100002700141245002700168260002800195650001100223984002100234236317020180901034626.0851029s1952 enk 0 eng d1 a4021096 9(AuCNLDY)1579628 a2363170 aNUNbengcNUN04a621.3841 aArmitage, E.q(Edward)10aWireless fundamentals. aLond. :bPitman,c1952. 0aRadio. aANLc621.384 ARM