00425nam a2200145Ia 4500003000900000008004100009040001600050080001700066100001900083245009100102260003500193300001000228650001900238650002200257IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.396bLEW  aLewis, E J G   0aRadio servicing equipmentcE J G Lewis                                                  aLondonbChapman and Hallc1950  a371p.  aNASA Thesaurus  aRadio Engineering