00470nam a2200157Ia 4500003000900000008004100009040001600050080001900066100001600085245010900101260002900210300001300239650001500252650001900267650002600286IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a551.510.6bBRE  aBremmer, H. 0aTerrestrial radio wavesbtheory of propagationcH. Bremmer                                                aNew YorkbElsevierc1949  ax, 343p.  aAtmosphere  aNASA thesaurus  aTheory of propagation