TY - BOOK T1 - Terrestrial radio waves : Theory of propagation A1 - Bremmer, H. LA - English PP - New York PB - Elsevier YR - 1949 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.6993 OP - 343 KW - PROPAGACION DE ONDAS ER -