00499nam a2200157Ia 4500003000900000008004100009040001600050080001900066100001800085245012700103260004100230300001000271650001900281650002200300700001900322IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a621.396.8bTHO aThomas, H. A. 0aSurvey of existing information and data on radio noise over the frequency range 1-30 mc/scH. A. Thomas and R. E. Burgess. aLondonbH.M. Stationery Officec1947 a125p. aNASA Thesaurus aRadio Engineering aBurgess, R. E.