TY  - BOOK
AU  - Evans,Michael E.
AU  - Heller,Friedrich
TI  - Environmental magnetism: principles and applications of enviromagnetics 
SN  - 0122438515
PY  - 2003///
CY  - New York
PB  - Academic Press
KW  - Magnetism
KW  - Geophysics
N1  - Includes index and references : p. 261-288
ER  -