TY  - BOOK
AU  - Chapman, Sydney 
AU  - Bartels, Julius 
TI  - Geomagnetism: v 1 : geomagnetic and related phenomena 
T2  - International Series of Monographs on Physics
PY  - 1940///
CY  - Oxford
PB  - Clarendon Press
KW  - Geomagnetism
ER  -