00668nam a2200193 a 4500008004100000020002300041100003100064245004700095260009300142300002600235440004000261504004100301500002000342650004400362710004100406003000100447005001700448040000900465                                          a0863411770 (cased)1 aWithers, D. J.q(David J.)10aRadio spectrum management /cD.J. Withers.  aLondon :bPeter Peregrinus on behalf of the Institution of Electrical Engineers,cc1991.  axi, 523 p.  ;c24 cm. 0aIEE telecommunications series ;v23  aIncludes bibliographical references.  aIncludes index. 0aRadio frequency allocationxManagement.2 aInstitution of Electrical Engineers.20230123133228.0  cNUST