TY  - BOOK
AU  - Fox,Matthew  W.
ED  - Australia.
ED  - IPS Radio and Space Services.
TI  - Improved empirical world maps of foF2 .II.Validation and further refinements
PY  - 1988///
CY  - Darlinghurst, N.S.W.
PB  - IPS Radio and Space Services
KW  - F region
KW  - Maps
KW  - Ionospheric forecasting
KW  - Research
ER  -