TY  - BOOK
AU  - Chapman,Sydney,1888-1970
AU  - Bartels,Julius,1889-1964
TI  - Geomagnetism
PY  - 1940///
CY  - Oxford
PB  - Clarendon Press
KW  - Geomagnetism
N1  - Bibliography: v. 2, p. 938-1007
ER  -