00455nam a2200157 a 4500008004100000020001500041050001800056100002500074245002300099260003400122300002300156350000900179490006500188650001500253650002900268060316s1972    ||||||||||||||||| ||    u  a0713132787  aTK 5102.5 Con  aConnor, Frank Robert10aWave transmission   aLondon :bEdward Arnoldc1972  avii, 107 p. : ill.  a0.00  aHis Introductory topics in electronics and telecommunication  aMICROWAVES  aTELECOMMUNICATION LINES