TY  - GEN
AU  - Wollin,G
AU  - Ericson,D B
AU  - Ryan,W B
TI  - Variations in magnetic intensity and climatic changes
SN  - 0028-0836
PY  - 2005///0913
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1038/232549a0
ER  -