00430nam a2200157Ia 4500003000900000008004100009040001600050080001700066100001700083245005300100260004300153300001000196650001900206650002200225700002500247IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.396bTUC  aTucker, J. D 0aRadiobvol. 3cJ. D. Tucker and D. F. Wilkinson.  aLondonbEnglish University Pressc1956  a249p.  aNASA Thesaurus  aRadio Engineering  aWilkinson, Donald F.