00481nam a2200169 a 450000500170000008200210001710000200003824500530005826000350011130000190014663000130016563000160017896400160019499700180021099900170022895200660024520251203091151.0  a621.384b165 TOW  aTownsend, A.A.R  aAnalog line and sight radio linksba test manual  aNew DelhibPrentice-Hallc1987  aixv,367 p.cHB  aCircuits  aAnalog line  bcdefg_  a43665 LIBSC C  c32422d32422  00104070aPUbPUd1999-04-21l0o621.384 165 TOWp43665yBK