TY  - BOOK
AU  - Chapman,Sydney
TI  - The earth's magnetism
T2  - Methuen's monographs on physical subjects
AV  - QC815 .C5 1951
U1  - 538.7 
PY  - 1951///]
CY  - London, New York
PB  - Methuen, Wiley
KW  - Geomagnetism
KW  - Local
ER  -