PT  - JOURNAL ARTICLE
AU  - George Homans Eldridge
TI  - Some suggestions upon the methods of grouping the formations of the middle Cretaceous and the employment of an additional term in its nomenclature
AID  - 10.2475/ajs.s3-38.226.313
DP  - 1889 Oct 01
TA  - American Journal of Science
PG  - 313--321
VI  - s3-38
IP  - 226
4099  - http://www.ajsonline.org/content/s3-38/226/313.short
4100  - http://www.ajsonline.org/content/s3-38/226/313.full
SO  - Am J Sci1889 Oct 01; s3-38