PT  - JOURNAL ARTICLE
AU  - Newberry, J. S.
TI  - On the age of the coal formation of China
AID  - 10.2475/ajs.s2-42.125.151
DP  - 1866 Sep 01
TA  - American Journal of Science
PG  - 151--154
VI  - s2-42
IP  - 125
4099  - http://www.ajsonline.org/content/s2-42/125/151.short
4100  - http://www.ajsonline.org/content/s2-42/125/151.full
SO  - Am J Sci1866 Sep 01; s2-42