TY  - BOOK
AU  - Ratcliffe,J.A.
TI  - Sun, earth and radio: an introduction to the ionosphere and magnetosphere 
SN  - 0303178949
PY  - 1970///
CY  - London
PB  - Weidenfeld and Nicolson, 
KW  - Ionosphere
KW  - Magnetosphere
KW  - Ionospheric radio wave propagation
N1  - Bibliography: p. 247-248
ER  -