TY  - BOOK
AU  - Eyfrig,R
TI  - INFLUENCE OF THE EARTH'S MAGNETIC FIELD ON THE DIURNAL VARIATION OF F0 F2 (FOURIER ANALYSIS)
U1  - NASA 
PY  - 1967///
CY  - 
PB  - Nasa, Washington, D.C.
N1  - Bound With Nasa Tt F-459-462,464-470,Lack No.461
ER  -