TY  - BOOK
AU  - Runcorn S K Ed.
AU  -  Jacobs J A Ed.
AU  -  Reer K M Ed.
TI  - Earth's core: Its structure, evolution and magnetics field
U1  - H:(C7), M2 
PY  - 1982///
CY  - London
PB  - Royal Society        
KW  -  Magnetic field
KW  - Geology
ER  -