TY  - BOOK
AU  - Frihagen, Jon
TI  - ELECTRON DENSITY PROFILES IN IONOSPHERE AND EXOSPHERE
U1  - 538.767 
PY  - 1966///
CY  - Amsterdam
PB  - North-Holland Publishing Co.
KW  - Ionospheric Radio Wave Propagation -- Congresses
KW  - Electrons -- Congresses
N1  - Includes Bibliography; Organized By The Norwegian Defence Research Establishment; English Or French
ER  -