PT  - JOURNAL ARTICLE
AU  - Samuel L. Penfield
TI  - Some observations on the beryllium minerals from Mount Antero
AID  - 10.2475/ajs.s3-40.240.488
DP  - 1890 Dec 01
TA  - American Journal of Science
PG  - 488--490
VI  - s3-40
IP  - 240
4099  - http://www.ajsonline.org/content/s3-40/240/488.short
4100  - http://www.ajsonline.org/content/s3-40/240/488.full
SO  - Am J Sci1890 Dec 01; s3-40