TY  - BOOK
AU  - URSI/AGI committee
TI  - Some ionospheric results obtained during the international geophysical yeat
U1  - 551 URSI 
PY  - 1960///.
CY  - Amsterdam : 
PB  - Elsevier Publishing Company, 
KW  - Geomagnetic storms
KW  - Earth's--Atmosphere
ER  -