TY  - BOOK
AU  - Brown,G.M.
AU  - Clarence,N.D.
AU  - Rycroft,M.J.
TI  - Progress in Radio Science 1966-1969:  : Ionosphere, Magnethosphere, Radio Noise
PY  - 1970///
CY  - Brussels
PB  - International Union of Radio Science
KW  - Radioastronomía
ER  -