PT  - JOURNAL ARTICLE
AU  - Othniel Charles Marsh
TI  - The gigantic Ceratopsidae, or horned dinosaurs, of North America
AID  - 10.2475/ajs.s3-41.242.167
DP  - 1891 Feb 01
TA  - American Journal of Science
PG  - 167--178
VI  - s3-41
IP  - 242
4099  - http://www.ajsonline.org/content/s3-41/242/167.short
4100  - http://www.ajsonline.org/content/s3-41/242/167.full
SO  - Am J Sci1891 Feb 01; s3-41