PT  - JOURNAL ARTICLE
AU  - Albert Francis Birch
TI  - The alpha-gamma transformation of iron at high pressures, and the problem of the earth's magnetism
AID  - 10.2475/ajs.238.3.192
DP  - 1940 Mar 01
TA  - American Journal of Science
PG  - 192--211
VI  - 238
IP  - 3
4099  - http://www.ajsonline.org/content/238/3/192.short
4100  - http://www.ajsonline.org/content/238/3/192.full
SO  - Am J Sci1940 Mar 01; 238