TY  - BOOK
AU  - Runcorn S K Ed.
AU  -  Creer K M Ed.
AU  -  Jacobs J A Ed.
TI  - Earth's core: Its structure, evolution and magnetic field
U1  - H:(C7), M2;1 
PY  - 1982///
KW  -  Magnetic field
KW  - Geology
ER  -