TY  - BOOK
AU  - Jacobs,John Arthur
TI  - Reversals of the Earth's magnetic field
SN  - 0852744420
U1  - 538/.7 19
PY  - 1984///
CY  - Bristol
PB  - A. Hilger
KW  - Geomagnetism
N1  - Includes bibliographies and index
ER  -