TY  - BOOK
AU  - Bartels, J.
TI  - Geomagnetic Data 1958 Rapid Variations
T2  - IAGA Bulletin No.12 Part 2
PY  - 1962///
CY  - Amsterdam
PB  - North-Holland
KW  - Astronomy and Astrophysics Thesaurus
KW  - Geomagnetism
KW  - Magnetic Storms
ER  -