TY  - BOOK
AU  - Campbell, Wallace H
TI  - Earth magnetism : a guided tour through magnetic fields
SN  - 9780121581640
SN  - 108261
U1  - 538.7 CAM 
PY  - 2001///
CY  - San Diego
PB  - Harcourt/Academic Press
KW  - Geomagnetism - Popular works
N1  - Includes bibliographical references (p. 139-141) and index
ER  -