PT  - JOURNAL ARTICLE
AU  - O. A. Derby
TI  - On the magnetite ore districts of Jacupiranga and Ipanema, Sao Paulo, Brazil
AID  - 10.2475/ajs.s3-41.244.311
DP  - 1891 Apr 01
TA  - American Journal of Science
PG  - 311--321
VI  - s3-41
IP  - 244
4099  - http://www.ajsonline.org/content/s3-41/244/311.short
4100  - http://www.ajsonline.org/content/s3-41/244/311.full
SO  - Am J Sci1891 Apr 01; s3-41