PT  - JOURNAL ARTICLE
AU  - Berner, Robert A.
AU  - Canfield, Donald E.
TI  - A new model for atmospheric oxygen over Phanerozoic time
AID  - 10.2475/ajs.289.4.333
DP  - 1989 Apr 01
TA  - American Journal of Science
PG  - 333--361
VI  - 289
IP  - 4
4099  - http://www.ajsonline.org/content/289/4/333.short
4100  - http://www.ajsonline.org/content/289/4/333.full
SO  - Am J Sci1989 Apr 01; 289